diff --git a/mapcss/generated/MapCSS.interp b/mapcss/generated/MapCSS.interp
index db97ff878..b4e39447e 100644
--- a/mapcss/generated/MapCSS.interp
+++ b/mapcss/generated/MapCSS.interp
@@ -35,6 +35,10 @@ null
 null
 null
 null
+null
+null
+null
+null
 '['
 ']'
 '{'
@@ -120,6 +124,10 @@ OP_MINUS
 OP_NOT
 SET
 IMPORT
+SUPPORTS
+SUPPORTS_NOT
+SUPPORTS_AND
+SUPPORTS_OR
 NCOMPONENT
 LBRACKET
 RBRACKET
@@ -197,6 +205,11 @@ declaration_property
 declaration_value
 int_
 single_value
+supports_block
+supports_rule
+supports_condition
+supports_in_parens
+supports_declaration
 booleanOperator
 numericOperator
 valueOperator
@@ -209,4 +222,4 @@ primaryExpression
 
 
 atn:
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343, 367, 375, 385, 392, 397, 406, 409, 418, 422, 427]
\ No newline at end of file
diff --git a/mapcss/generated/MapCSS.tokens b/mapcss/generated/MapCSS.tokens
index a66127cca..6b776f18b 100644
--- a/mapcss/generated/MapCSS.tokens
+++ b/mapcss/generated/MapCSS.tokens
@@ -32,55 +32,59 @@ OP_MINUS=31
 OP_NOT=32
 SET=33
 IMPORT=34
-NCOMPONENT=35
-LBRACKET=36
-RBRACKET=37
-LBRACE=38
-RBRACE=39
-COLON=40
-SEMICOLON=41
-DQUOTED_STRING=42
-SQUOTED_STRING=43
-POSITIVE_INT=44
-NEGATIVE_INT=45
-POSITIVE_FLOAT=46
-NEGATIVE_FLOAT=47
-RANGE=48
-REGEXP=49
-WS=50
-SL_COMMENT=51
-ML_COMMENT=52
-STYLESHEET=53
-RULE=54
-SIMPLE_SELECTOR=55
-DESCENDANT_COMBINATOR=56
-CHILD_COMBINATOR=57
-PARENT_COMBINATOR=58
-TYPE_SELECTOR=59
-ZOOM_SELECTOR=60
-ATTRIBUTE_SELECTOR=61
-CLASS_SELECTOR=62
-PSEUDO_CLASS_SELECTOR=63
-LAYER_ID_SELECTOR=64
-DECLARATION_BLOCK=65
-DECLARATION=66
-VALUE_RGB=67
-VALUE_RGBA=68
-VALUE_URL=69
-VALUE_KEYWORD=70
-VALUE_QUOTED=71
-VALUE_FLOAT=72
-VALUE_INT=73
-VALUE_PERCENTAGE=74
-VALUE_POINTS=75
-VALUE_PIXELS=76
-VALUE_LIST=77
-VALUE_REGEXP=78
-VALUE_INCREMENT=79
-FUNCTION_CALL=80
-PREDICATE=81
-TR_CALL=82
-EVAL_CALL=83
+SUPPORTS=35
+SUPPORTS_NOT=36
+SUPPORTS_AND=37
+SUPPORTS_OR=38
+NCOMPONENT=39
+LBRACKET=40
+RBRACKET=41
+LBRACE=42
+RBRACE=43
+COLON=44
+SEMICOLON=45
+DQUOTED_STRING=46
+SQUOTED_STRING=47
+POSITIVE_INT=48
+NEGATIVE_INT=49
+POSITIVE_FLOAT=50
+NEGATIVE_FLOAT=51
+RANGE=52
+REGEXP=53
+WS=54
+SL_COMMENT=55
+ML_COMMENT=56
+STYLESHEET=57
+RULE=58
+SIMPLE_SELECTOR=59
+DESCENDANT_COMBINATOR=60
+CHILD_COMBINATOR=61
+PARENT_COMBINATOR=62
+TYPE_SELECTOR=63
+ZOOM_SELECTOR=64
+ATTRIBUTE_SELECTOR=65
+CLASS_SELECTOR=66
+PSEUDO_CLASS_SELECTOR=67
+LAYER_ID_SELECTOR=68
+DECLARATION_BLOCK=69
+DECLARATION=70
+VALUE_RGB=71
+VALUE_RGBA=72
+VALUE_URL=73
+VALUE_KEYWORD=74
+VALUE_QUOTED=75
+VALUE_FLOAT=76
+VALUE_INT=77
+VALUE_PERCENTAGE=78
+VALUE_POINTS=79
+VALUE_PIXELS=80
+VALUE_LIST=81
+VALUE_REGEXP=82
+VALUE_INCREMENT=83
+FUNCTION_CALL=84
+PREDICATE=85
+TR_CALL=86
+EVAL_CALL=87
 ','=1
 '?'=2
 '?!'=3
@@ -112,9 +116,9 @@ EVAL_CALL=83
 '+'=30
 '-'=31
 '!'=32
-'['=36
-']'=37
-'{'=38
-'}'=39
-':'=40
-';'=41
+'['=40
+']'=41
+'{'=42
+'}'=43
+':'=44
+';'=45
diff --git a/mapcss/generated/MapCSSLexer.interp b/mapcss/generated/MapCSSLexer.interp
index d29f8ecf6..4220a518a 100644
--- a/mapcss/generated/MapCSSLexer.interp
+++ b/mapcss/generated/MapCSSLexer.interp
@@ -35,6 +35,10 @@ null
 null
 null
 null
+null
+null
+null
+null
 '['
 ']'
 '{'
@@ -89,6 +93,10 @@ OP_MINUS
 OP_NOT
 SET
 IMPORT
+SUPPORTS
+SUPPORTS_NOT
+SUPPORTS_AND
+SUPPORTS_OR
 NCOMPONENT
 LBRACKET
 RBRACKET
@@ -145,6 +153,10 @@ OP_MINUS
 OP_NOT
 SET
 IMPORT
+SUPPORTS
+SUPPORTS_NOT
+SUPPORTS_AND
+SUPPORTS_OR
 DIGIT
 CHAR
 NONASCII
@@ -182,4 +194,4 @@ mode names:
 DEFAULT_MODE
 
 atn:
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7, 1, 7, 1, 8, 1, 8, 1, 9, 1, 9, 1, 10, 1, 10, 1, 11, 1, 11, 1, 12, 1, 12, 1, 13, 1, 13, 1, 14, 1, 14, 1, 14, 3, 14, 163, 8, 14, 1, 15, 1, 15, 1, 15, 1, 16, 1, 16, 1, 16, 1, 17, 1, 17, 1, 17, 1, 18, 1, 18, 1, 19, 1, 19, 1, 20, 1, 20, 1, 20, 1, 21, 1, 21, 1, 21, 1, 22, 1, 22, 1, 22, 1, 23, 1, 23, 1, 23, 1, 24, 1, 24, 1, 24, 1, 25, 1, 25, 1, 25, 1, 26, 1, 26, 1, 26, 1, 27, 1, 27, 1, 27, 1, 28, 1, 28, 1, 29, 1, 29, 1, 30, 1, 30, 1, 31, 1, 31, 1, 32, 1, 32, 1, 33, 1, 33, 1, 34, 1, 34, 1, 34, 1, 34, 1, 35, 1, 35, 1, 35, 1, 35, 1, 35, 1, 35, 1, 35, 1, 35, 1, 36, 1, 36, 1, 37, 1, 37, 1, 38, 1, 38, 1, 39, 1, 39, 3, 39, 234, 8, 39, 1, 40, 1, 40, 3, 40, 238, 8, 40, 1, 41, 1, 41, 3, 41, 242, 8, 41, 1, 41, 1, 41, 1, 41, 5, 41, 247, 8, 41, 10, 41, 12, 41, 250, 9, 41, 1, 42, 1, 42, 1, 43, 1, 43, 1, 44, 1, 44, 1, 45, 1, 45, 1, 46, 1, 46, 1, 47, 1, 47, 1, 48, 1, 48, 1, 48, 1, 49, 1, 49, 1, 49, 1, 50, 1, 50, 1, 50, 1, 50, 1, 50, 5, 50, 275, 8, 50, 10, 50, 12, 50, 278, 9, 50, 1, 50, 1, 50, 1, 51, 1, 51, 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0, 0, 308, 306, 1, 0, 0, 0, 308, 309, 1, 0, 0, 0, 309, 311, 1, 0, 0, 0, 310, 308, 1, 0, 0, 0, 311, 312, 5, 34, 0, 0, 312, 110, 1, 0, 0, 0, 313, 320, 5, 39, 0, 0, 314, 319, 7, 18, 0, 0, 315, 319, 3, 3, 1, 0, 316, 319, 3, 107, 53, 0, 317, 319, 3, 1, 0, 0, 318, 314, 1, 0, 0, 0, 318, 315, 1, 0, 0, 0, 318, 316, 1, 0, 0, 0, 318, 317, 1, 0, 0, 0, 319, 322, 1, 0, 0, 0, 320, 318, 1, 0, 0, 0, 320, 321, 1, 0, 0, 0, 321, 323, 1, 0, 0, 0, 322, 320, 1, 0, 0, 0, 323, 324, 5, 39, 0, 0, 324, 112, 1, 0, 0, 0, 325, 327, 7, 19, 0, 0, 326, 325, 1, 0, 0, 0, 327, 328, 1, 0, 0, 0, 328, 326, 1, 0, 0, 0, 328, 329, 1, 0, 0, 0, 329, 114, 1, 0, 0, 0, 330, 331, 5, 45, 0, 0, 331, 332, 3, 113, 56, 0, 332, 116, 1, 0, 0, 0, 333, 335, 7, 19, 0, 0, 334, 333, 1, 0, 0, 0, 335, 336, 1, 0, 0, 0, 336, 334, 1, 0, 0, 0, 336, 337, 1, 0, 0, 0, 337, 351, 1, 0, 0, 0, 338, 340, 7, 19, 0, 0, 339, 338, 1, 0, 0, 0, 340, 343, 1, 0, 0, 0, 341, 339, 1, 0, 0, 0, 341, 342, 1, 0, 0, 0, 342, 344, 1, 0, 0, 0, 343, 341, 1, 0, 0, 0, 344, 346, 5, 46, 0, 0, 345, 347, 7, 19, 0, 0, 346, 345, 1, 0, 0, 0, 347, 348, 1, 0, 0, 0, 348, 346, 1, 0, 0, 0, 348, 349, 1, 0, 0, 0, 349, 351, 1, 0, 0, 0, 350, 334, 1, 0, 0, 0, 350, 341, 1, 0, 0, 0, 351, 118, 1, 0, 0, 0, 352, 353, 5, 45, 0, 0, 353, 354, 3, 117, 58, 0, 354, 120, 1, 0, 0, 0, 355, 356, 5, 124, 0, 0, 356, 357, 5, 122, 0, 0, 357, 379, 1, 0, 0, 0, 358, 360, 5, 45, 0, 0, 359, 361, 3, 81, 40, 0, 360, 359, 1, 0, 0, 0, 361, 362, 1, 0, 0, 0, 362, 360, 1, 0, 0, 0, 362, 363, 1, 0, 0, 0, 363, 380, 1, 0, 0, 0, 364, 366, 3, 81, 40, 0, 365, 364, 1, 0, 0, 0, 366, 367, 1, 0, 0, 0, 367, 365, 1, 0, 0, 0, 367, 368, 1, 0, 0, 0, 368, 377, 1, 0, 0, 0, 369, 375, 5, 45, 0, 0, 370, 372, 3, 81, 40, 0, 371, 370, 1, 0, 0, 0, 372, 373, 1, 0, 0, 0, 373, 371, 1, 0, 0, 0, 373, 374, 1, 0, 0, 0, 374, 376, 1, 0, 0, 0, 375, 371, 1, 0, 0, 0, 375, 376, 1, 0, 0, 0, 376, 378, 1, 0, 0, 0, 377, 369, 1, 0, 0, 0, 377, 378, 1, 0, 0, 0, 378, 380, 1, 0, 0, 0, 379, 358, 1, 0, 0, 0, 379, 365, 1, 0, 0, 0, 380, 122, 1, 0, 0, 0, 381, 382, 5, 92, 0, 0, 382, 383, 5, 47, 0, 0, 383, 124, 1, 0, 0, 0, 384, 388, 3, 123, 61, 0, 385, 388, 7, 20, 0, 0, 386, 388, 3, 3, 1, 0, 387, 384, 1, 0, 0, 0, 387, 385, 1, 0, 0, 0, 387, 386, 1, 0, 0, 0, 388, 126, 1, 0, 0, 0, 389, 393, 3, 123, 61, 0, 390, 393, 7, 21, 0, 0, 391, 393, 3, 3, 1, 0, 392, 389, 1, 0, 0, 0, 392, 390, 1, 0, 0, 0, 392, 391, 1, 0, 0, 0, 393, 128, 1, 0, 0, 0, 394, 395, 5, 47, 0, 0, 395, 399, 3, 125, 62, 0, 396, 398, 3, 127, 63, 0, 397, 396, 1, 0, 0, 0, 398, 401, 1, 0, 0, 0, 399, 397, 1, 0, 0, 0, 399, 400, 1, 0, 0, 0, 400, 402, 1, 0, 0, 0, 401, 399, 1, 0, 0, 0, 402, 403, 5, 47, 0, 0, 403, 130, 1, 0, 0, 0, 404, 405, 7, 22, 0, 0, 405, 406, 1, 0, 0, 0, 406, 407, 6, 65, 0, 0, 407, 132, 1, 0, 0, 0, 408, 409, 5, 47, 0, 0, 409, 410, 5, 47, 0, 0, 410, 414, 1, 0, 0, 0, 411, 413, 9, 0, 0, 0, 412, 411, 1, 0, 0, 0, 413, 416, 1, 0, 0, 0, 414, 415, 1, 0, 0, 0, 414, 412, 1, 0, 0, 0, 415, 418, 1, 0, 0, 0, 416, 414, 1, 0, 0, 0, 417, 419, 5, 13, 0, 0, 418, 417, 1, 0, 0, 0, 418, 419, 1, 0, 0, 0, 419, 420, 1, 0, 0, 0, 420, 421, 5, 10, 0, 0, 421, 422, 1, 0, 0, 0, 422, 423, 6, 66, 0, 0, 423, 134, 1, 0, 0, 0, 424, 425, 5, 47, 0, 0, 425, 426, 5, 42, 0, 0, 426, 430, 1, 0, 0, 0, 427, 429, 9, 0, 0, 0, 428, 427, 1, 0, 0, 0, 429, 432, 1, 0, 0, 0, 430, 431, 1, 0, 0, 0, 430, 428, 1, 0, 0, 0, 431, 433, 1, 0, 0, 0, 432, 430, 1, 0, 0, 0, 433, 434, 5, 42, 0, 0, 434, 435, 5, 47, 0, 0, 435, 436, 1, 0, 0, 0, 436, 437, 6, 67, 0, 0, 437, 136, 1, 0, 0, 0, 28, 0, 170, 265, 269, 273, 278, 280, 306, 308, 318, 320, 328, 336, 341, 348, 350, 362, 367, 373, 375, 377, 379, 387, 392, 399, 414, 418, 430, 1, 0, 1, 0]
\ No newline at end of file
diff --git a/mapcss/generated/MapCSSLexer.py b/mapcss/generated/MapCSSLexer.py
index b0f4764a6..25481cbff 100644
--- a/mapcss/generated/MapCSSLexer.py
+++ b/mapcss/generated/MapCSSLexer.py
@@ -10,7 +10,7 @@
 
 def serializedATN():
     return [
-        4,0,52,406,6,-1,2,0,7,0,2,1,7,1,2,2,7,2,2,3,7,3,2,4,7,4,2,5,7,5,
+        4,0,56,438,6,-1,2,0,7,0,2,1,7,1,2,2,7,2,2,3,7,3,2,4,7,4,2,5,7,5,
         2,6,7,6,2,7,7,7,2,8,7,8,2,9,7,9,2,10,7,10,2,11,7,11,2,12,7,12,2,
         13,7,13,2,14,7,14,2,15,7,15,2,16,7,16,2,17,7,17,2,18,7,18,2,19,7,
         19,2,20,7,20,2,21,7,21,2,22,7,22,2,23,7,23,2,24,7,24,2,25,7,25,2,
@@ -19,149 +19,161 @@ def serializedATN():
         39,7,39,2,40,7,40,2,41,7,41,2,42,7,42,2,43,7,43,2,44,7,44,2,45,7,
         45,2,46,7,46,2,47,7,47,2,48,7,48,2,49,7,49,2,50,7,50,2,51,7,51,2,
         52,7,52,2,53,7,53,2,54,7,54,2,55,7,55,2,56,7,56,2,57,7,57,2,58,7,
-        58,2,59,7,59,2,60,7,60,2,61,7,61,2,62,7,62,2,63,7,63,1,0,1,0,1,0,
-        1,1,1,1,1,2,1,2,1,3,1,3,1,4,1,4,1,4,1,5,1,5,1,6,1,6,1,7,1,7,1,8,
-        1,8,1,9,1,9,1,10,1,10,1,11,1,11,1,12,1,12,1,13,1,13,1,14,1,14,1,
-        14,3,14,163,8,14,1,15,1,15,1,15,1,16,1,16,1,16,1,17,1,17,1,17,1,
-        18,1,18,1,19,1,19,1,20,1,20,1,20,1,21,1,21,1,21,1,22,1,22,1,22,1,
-        23,1,23,1,23,1,24,1,24,1,24,1,25,1,25,1,25,1,26,1,26,1,26,1,27,1,
-        27,1,27,1,28,1,28,1,29,1,29,1,30,1,30,1,31,1,31,1,32,1,32,1,33,1,
-        33,1,34,1,34,1,34,1,34,1,35,1,35,1,35,1,35,1,35,1,35,1,35,1,35,1,
-        36,1,36,1,37,1,37,1,38,1,38,1,39,1,39,3,39,234,8,39,1,40,1,40,3,
-        40,238,8,40,1,41,1,41,3,41,242,8,41,1,41,1,41,1,41,5,41,247,8,41,
-        10,41,12,41,250,9,41,1,42,1,42,1,43,1,43,1,44,1,44,1,45,1,45,1,46,
-        1,46,1,47,1,47,1,48,1,48,1,48,1,49,1,49,1,49,1,50,1,50,1,50,1,50,
-        1,50,5,50,275,8,50,10,50,12,50,278,9,50,1,50,1,50,1,51,1,51,1,51,
-        1,51,1,51,5,51,287,8,51,10,51,12,51,290,9,51,1,51,1,51,1,52,4,52,
-        295,8,52,11,52,12,52,296,1,53,1,53,1,53,1,54,4,54,303,8,54,11,54,
-        12,54,304,1,54,5,54,308,8,54,10,54,12,54,311,9,54,1,54,1,54,4,54,
-        315,8,54,11,54,12,54,316,3,54,319,8,54,1,55,1,55,1,55,1,56,1,56,
-        1,56,1,56,1,56,4,56,329,8,56,11,56,12,56,330,1,56,4,56,334,8,56,
-        11,56,12,56,335,1,56,1,56,4,56,340,8,56,11,56,12,56,341,3,56,344,
-        8,56,3,56,346,8,56,3,56,348,8,56,1,57,1,57,1,57,1,58,1,58,1,58,3,
-        58,356,8,58,1,59,1,59,1,59,3,59,361,8,59,1,60,1,60,1,60,5,60,366,
-        8,60,10,60,12,60,369,9,60,1,60,1,60,1,61,1,61,1,61,1,61,1,62,1,62,
-        1,62,1,62,5,62,381,8,62,10,62,12,62,384,9,62,1,62,3,62,387,8,62,
-        1,62,1,62,1,62,1,62,1,63,1,63,1,63,1,63,5,63,397,8,63,10,63,12,63,
-        400,9,63,1,63,1,63,1,63,1,63,1,63,2,382,398,0,64,1,0,3,0,5,1,7,2,
-        9,3,11,4,13,5,15,6,17,7,19,8,21,9,23,10,25,11,27,12,29,13,31,14,
-        33,15,35,16,37,17,39,18,41,19,43,20,45,21,47,22,49,23,51,24,53,25,
-        55,26,57,27,59,28,61,29,63,30,65,31,67,32,69,33,71,34,73,0,75,0,
-        77,0,79,0,81,0,83,35,85,36,87,37,89,38,91,39,93,40,95,41,97,0,99,
-        0,101,42,103,43,105,44,107,45,109,46,111,47,113,48,115,0,117,0,119,
-        0,121,49,123,50,125,51,127,52,1,0,19,2,0,83,83,115,115,2,0,69,69,
-        101,101,2,0,84,84,116,116,2,0,73,73,105,105,2,0,77,77,109,109,2,
-        0,80,80,112,112,2,0,79,79,111,111,2,0,82,82,114,114,2,0,65,90,97,
-        122,1,0,0,159,3,0,65,90,95,95,97,122,4,0,45,45,65,90,95,95,97,122,
-        2,0,45,45,95,95,4,0,32,33,35,91,93,126,176,176,4,0,32,38,40,91,93,
-        126,176,176,1,0,48,57,4,0,32,41,43,46,48,126,176,176,3,0,32,46,48,
-        126,176,176,3,0,9,10,12,13,32,32,427,0,5,1,0,0,0,0,7,1,0,0,0,0,9,
-        1,0,0,0,0,11,1,0,0,0,0,13,1,0,0,0,0,15,1,0,0,0,0,17,1,0,0,0,0,19,
-        1,0,0,0,0,21,1,0,0,0,0,23,1,0,0,0,0,25,1,0,0,0,0,27,1,0,0,0,0,29,
-        1,0,0,0,0,31,1,0,0,0,0,33,1,0,0,0,0,35,1,0,0,0,0,37,1,0,0,0,0,39,
-        1,0,0,0,0,41,1,0,0,0,0,43,1,0,0,0,0,45,1,0,0,0,0,47,1,0,0,0,0,49,
-        1,0,0,0,0,51,1,0,0,0,0,53,1,0,0,0,0,55,1,0,0,0,0,57,1,0,0,0,0,59,
-        1,0,0,0,0,61,1,0,0,0,0,63,1,0,0,0,0,65,1,0,0,0,0,67,1,0,0,0,0,69,
-        1,0,0,0,0,71,1,0,0,0,0,83,1,0,0,0,0,85,1,0,0,0,0,87,1,0,0,0,0,89,
-        1,0,0,0,0,91,1,0,0,0,0,93,1,0,0,0,0,95,1,0,0,0,0,101,1,0,0,0,0,103,
-        1,0,0,0,0,105,1,0,0,0,0,107,1,0,0,0,0,109,1,0,0,0,0,111,1,0,0,0,
-        0,113,1,0,0,0,0,121,1,0,0,0,0,123,1,0,0,0,0,125,1,0,0,0,0,127,1,
-        0,0,0,1,129,1,0,0,0,3,132,1,0,0,0,5,134,1,0,0,0,7,136,1,0,0,0,9,
-        138,1,0,0,0,11,141,1,0,0,0,13,143,1,0,0,0,15,145,1,0,0,0,17,147,
-        1,0,0,0,19,149,1,0,0,0,21,151,1,0,0,0,23,153,1,0,0,0,25,155,1,0,
-        0,0,27,157,1,0,0,0,29,162,1,0,0,0,31,164,1,0,0,0,33,167,1,0,0,0,
-        35,170,1,0,0,0,37,173,1,0,0,0,39,175,1,0,0,0,41,177,1,0,0,0,43,180,
-        1,0,0,0,45,183,1,0,0,0,47,186,1,0,0,0,49,189,1,0,0,0,51,192,1,0,
-        0,0,53,195,1,0,0,0,55,198,1,0,0,0,57,201,1,0,0,0,59,203,1,0,0,0,
-        61,205,1,0,0,0,63,207,1,0,0,0,65,209,1,0,0,0,67,211,1,0,0,0,69,213,
-        1,0,0,0,71,217,1,0,0,0,73,225,1,0,0,0,75,227,1,0,0,0,77,229,1,0,
-        0,0,79,233,1,0,0,0,81,237,1,0,0,0,83,241,1,0,0,0,85,251,1,0,0,0,
-        87,253,1,0,0,0,89,255,1,0,0,0,91,257,1,0,0,0,93,259,1,0,0,0,95,261,
-        1,0,0,0,97,263,1,0,0,0,99,266,1,0,0,0,101,269,1,0,0,0,103,281,1,
-        0,0,0,105,294,1,0,0,0,107,298,1,0,0,0,109,318,1,0,0,0,111,320,1,
-        0,0,0,113,323,1,0,0,0,115,349,1,0,0,0,117,355,1,0,0,0,119,360,1,
-        0,0,0,121,362,1,0,0,0,123,372,1,0,0,0,125,376,1,0,0,0,127,392,1,
-        0,0,0,129,130,5,92,0,0,130,131,5,92,0,0,131,2,1,0,0,0,132,133,2,
-        128,65533,0,133,4,1,0,0,0,134,135,5,44,0,0,135,6,1,0,0,0,136,137,
-        5,63,0,0,137,8,1,0,0,0,138,139,5,63,0,0,139,140,5,33,0,0,140,10,
-        1,0,0,0,141,142,5,8712,0,0,142,12,1,0,0,0,143,144,5,10697,0,0,144,
-        14,1,0,0,0,145,146,5,8838,0,0,146,16,1,0,0,0,147,148,5,8839,0,0,
-        148,18,1,0,0,0,149,150,5,8840,0,0,150,20,1,0,0,0,151,152,5,8841,
-        0,0,152,22,1,0,0,0,153,154,5,40,0,0,154,24,1,0,0,0,155,156,5,41,
-        0,0,156,26,1,0,0,0,157,158,5,46,0,0,158,28,1,0,0,0,159,163,5,61,
-        0,0,160,161,5,61,0,0,161,163,5,61,0,0,162,159,1,0,0,0,162,160,1,
-        0,0,0,163,30,1,0,0,0,164,165,5,33,0,0,165,166,5,61,0,0,166,32,1,
-        0,0,0,167,168,5,60,0,0,168,169,5,61,0,0,169,34,1,0,0,0,170,171,5,
-        62,0,0,171,172,5,61,0,0,172,36,1,0,0,0,173,174,5,60,0,0,174,38,1,
-        0,0,0,175,176,5,62,0,0,176,40,1,0,0,0,177,178,5,61,0,0,178,179,5,
-        126,0,0,179,42,1,0,0,0,180,181,5,33,0,0,181,182,5,126,0,0,182,44,
-        1,0,0,0,183,184,5,94,0,0,184,185,5,61,0,0,185,46,1,0,0,0,186,187,
-        5,36,0,0,187,188,5,61,0,0,188,48,1,0,0,0,189,190,5,42,0,0,190,191,
-        5,61,0,0,191,50,1,0,0,0,192,193,5,126,0,0,193,194,5,61,0,0,194,52,
-        1,0,0,0,195,196,5,124,0,0,196,197,5,124,0,0,197,54,1,0,0,0,198,199,
-        5,38,0,0,199,200,5,38,0,0,200,56,1,0,0,0,201,202,5,42,0,0,202,58,
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+        7,9,0,0,244,245,7,6,0,0,245,246,7,2,0,0,246,247,3,131,65,0,247,76,
+        1,0,0,0,248,249,7,10,0,0,249,250,7,9,0,0,250,251,7,11,0,0,251,252,
+        3,131,65,0,252,78,1,0,0,0,253,254,7,6,0,0,254,255,7,7,0,0,255,256,
+        3,131,65,0,256,80,1,0,0,0,257,258,2,48,57,0,258,82,1,0,0,0,259,260,
+        7,12,0,0,260,84,1,0,0,0,261,262,8,13,0,0,262,86,1,0,0,0,263,266,
+        7,14,0,0,264,266,3,85,42,0,265,263,1,0,0,0,265,264,1,0,0,0,266,88,
+        1,0,0,0,267,270,7,15,0,0,268,270,3,85,42,0,269,267,1,0,0,0,269,268,
+        1,0,0,0,270,90,1,0,0,0,271,274,3,83,41,0,272,274,5,95,0,0,273,271,
+        1,0,0,0,273,272,1,0,0,0,274,280,1,0,0,0,275,279,3,83,41,0,276,279,
+        3,81,40,0,277,279,7,16,0,0,278,275,1,0,0,0,278,276,1,0,0,0,278,277,
+        1,0,0,0,279,282,1,0,0,0,280,278,1,0,0,0,280,281,1,0,0,0,281,92,1,
+        0,0,0,282,280,1,0,0,0,283,284,5,91,0,0,284,94,1,0,0,0,285,286,5,
+        93,0,0,286,96,1,0,0,0,287,288,5,123,0,0,288,98,1,0,0,0,289,290,5,
+        125,0,0,290,100,1,0,0,0,291,292,5,58,0,0,292,102,1,0,0,0,293,294,
+        5,59,0,0,294,104,1,0,0,0,295,296,5,92,0,0,296,297,5,34,0,0,297,106,
+        1,0,0,0,298,299,5,92,0,0,299,300,5,39,0,0,300,108,1,0,0,0,301,308,
+        5,34,0,0,302,307,7,17,0,0,303,307,3,3,1,0,304,307,3,105,52,0,305,
+        307,3,1,0,0,306,302,1,0,0,0,306,303,1,0,0,0,306,304,1,0,0,0,306,
+        305,1,0,0,0,307,310,1,0,0,0,308,306,1,0,0,0,308,309,1,0,0,0,309,
+        311,1,0,0,0,310,308,1,0,0,0,311,312,5,34,0,0,312,110,1,0,0,0,313,
+        320,5,39,0,0,314,319,7,18,0,0,315,319,3,3,1,0,316,319,3,107,53,0,
+        317,319,3,1,0,0,318,314,1,0,0,0,318,315,1,0,0,0,318,316,1,0,0,0,
+        318,317,1,0,0,0,319,322,1,0,0,0,320,318,1,0,0,0,320,321,1,0,0,0,
+        321,323,1,0,0,0,322,320,1,0,0,0,323,324,5,39,0,0,324,112,1,0,0,0,
+        325,327,7,19,0,0,326,325,1,0,0,0,327,328,1,0,0,0,328,326,1,0,0,0,
+        328,329,1,0,0,0,329,114,1,0,0,0,330,331,5,45,0,0,331,332,3,113,56,
+        0,332,116,1,0,0,0,333,335,7,19,0,0,334,333,1,0,0,0,335,336,1,0,0,
+        0,336,334,1,0,0,0,336,337,1,0,0,0,337,351,1,0,0,0,338,340,7,19,0,
+        0,339,338,1,0,0,0,340,343,1,0,0,0,341,339,1,0,0,0,341,342,1,0,0,
+        0,342,344,1,0,0,0,343,341,1,0,0,0,344,346,5,46,0,0,345,347,7,19,
+        0,0,346,345,1,0,0,0,347,348,1,0,0,0,348,346,1,0,0,0,348,349,1,0,
+        0,0,349,351,1,0,0,0,350,334,1,0,0,0,350,341,1,0,0,0,351,118,1,0,
+        0,0,352,353,5,45,0,0,353,354,3,117,58,0,354,120,1,0,0,0,355,356,
+        5,124,0,0,356,357,5,122,0,0,357,379,1,0,0,0,358,360,5,45,0,0,359,
+        361,3,81,40,0,360,359,1,0,0,0,361,362,1,0,0,0,362,360,1,0,0,0,362,
+        363,1,0,0,0,363,380,1,0,0,0,364,366,3,81,40,0,365,364,1,0,0,0,366,
+        367,1,0,0,0,367,365,1,0,0,0,367,368,1,0,0,0,368,377,1,0,0,0,369,
+        375,5,45,0,0,370,372,3,81,40,0,371,370,1,0,0,0,372,373,1,0,0,0,373,
+        371,1,0,0,0,373,374,1,0,0,0,374,376,1,0,0,0,375,371,1,0,0,0,375,
+        376,1,0,0,0,376,378,1,0,0,0,377,369,1,0,0,0,377,378,1,0,0,0,378,
+        380,1,0,0,0,379,358,1,0,0,0,379,365,1,0,0,0,380,122,1,0,0,0,381,
+        382,5,92,0,0,382,383,5,47,0,0,383,124,1,0,0,0,384,388,3,123,61,0,
+        385,388,7,20,0,0,386,388,3,3,1,0,387,384,1,0,0,0,387,385,1,0,0,0,
+        387,386,1,0,0,0,388,126,1,0,0,0,389,393,3,123,61,0,390,393,7,21,
+        0,0,391,393,3,3,1,0,392,389,1,0,0,0,392,390,1,0,0,0,392,391,1,0,
+        0,0,393,128,1,0,0,0,394,395,5,47,0,0,395,399,3,125,62,0,396,398,
+        3,127,63,0,397,396,1,0,0,0,398,401,1,0,0,0,399,397,1,0,0,0,399,400,
+        1,0,0,0,400,402,1,0,0,0,401,399,1,0,0,0,402,403,5,47,0,0,403,130,
+        1,0,0,0,404,405,7,22,0,0,405,406,1,0,0,0,406,407,6,65,0,0,407,132,
+        1,0,0,0,408,409,5,47,0,0,409,410,5,47,0,0,410,414,1,0,0,0,411,413,
+        9,0,0,0,412,411,1,0,0,0,413,416,1,0,0,0,414,415,1,0,0,0,414,412,
+        1,0,0,0,415,418,1,0,0,0,416,414,1,0,0,0,417,419,5,13,0,0,418,417,
+        1,0,0,0,418,419,1,0,0,0,419,420,1,0,0,0,420,421,5,10,0,0,421,422,
+        1,0,0,0,422,423,6,66,0,0,423,134,1,0,0,0,424,425,5,47,0,0,425,426,
+        5,42,0,0,426,430,1,0,0,0,427,429,9,0,0,0,428,427,1,0,0,0,429,432,
+        1,0,0,0,430,431,1,0,0,0,430,428,1,0,0,0,431,433,1,0,0,0,432,430,
+        1,0,0,0,433,434,5,42,0,0,434,435,5,47,0,0,435,436,1,0,0,0,436,437,
+        6,67,0,0,437,136,1,0,0,0,28,0,170,265,269,273,278,280,306,308,318,
+        320,328,336,341,348,350,362,367,373,375,377,379,387,392,399,414,
+        418,430,1,0,1,0
     ]
 
 class MapCSSLexer(Lexer):
@@ -204,24 +216,28 @@ class MapCSSLexer(Lexer):
     OP_NOT = 32
     SET = 33
     IMPORT = 34
-    NCOMPONENT = 35
-    LBRACKET = 36
-    RBRACKET = 37
-    LBRACE = 38
-    RBRACE = 39
-    COLON = 40
-    SEMICOLON = 41
-    DQUOTED_STRING = 42
-    SQUOTED_STRING = 43
-    POSITIVE_INT = 44
-    NEGATIVE_INT = 45
-    POSITIVE_FLOAT = 46
-    NEGATIVE_FLOAT = 47
-    RANGE = 48
-    REGEXP = 49
-    WS = 50
-    SL_COMMENT = 51
-    ML_COMMENT = 52
+    SUPPORTS = 35
+    SUPPORTS_NOT = 36
+    SUPPORTS_AND = 37
+    SUPPORTS_OR = 38
+    NCOMPONENT = 39
+    LBRACKET = 40
+    RBRACKET = 41
+    LBRACE = 42
+    RBRACE = 43
+    COLON = 44
+    SEMICOLON = 45
+    DQUOTED_STRING = 46
+    SQUOTED_STRING = 47
+    POSITIVE_INT = 48
+    NEGATIVE_INT = 49
+    POSITIVE_FLOAT = 50
+    NEGATIVE_FLOAT = 51
+    RANGE = 52
+    REGEXP = 53
+    WS = 54
+    SL_COMMENT = 55
+    ML_COMMENT = 56
 
     channelNames = [ u"DEFAULT_TOKEN_CHANNEL", u"HIDDEN" ]
 
@@ -241,8 +257,9 @@ class MapCSSLexer(Lexer):
             "OP_LE", "OP_GE", "OP_LT", "OP_GT", "OP_MATCH", "OP_NOT_MATCH", 
             "OP_STARTS_WITH", "OP_ENDS_WITH", "OP_SUBSTRING", "OP_CONTAINS", 
             "OP_OR", "OP_AND", "OP_MUL", "OP_DIV", "OP_MOD", "OP_PLUS", 
-            "OP_MINUS", "OP_NOT", "SET", "IMPORT", "NCOMPONENT", "LBRACKET", 
-            "RBRACKET", "LBRACE", "RBRACE", "COLON", "SEMICOLON", "DQUOTED_STRING", 
+            "OP_MINUS", "OP_NOT", "SET", "IMPORT", "SUPPORTS", "SUPPORTS_NOT", 
+            "SUPPORTS_AND", "SUPPORTS_OR", "NCOMPONENT", "LBRACKET", "RBRACKET", 
+            "LBRACE", "RBRACE", "COLON", "SEMICOLON", "DQUOTED_STRING", 
             "SQUOTED_STRING", "POSITIVE_INT", "NEGATIVE_INT", "POSITIVE_FLOAT", 
             "NEGATIVE_FLOAT", "RANGE", "REGEXP", "WS", "SL_COMMENT", "ML_COMMENT" ]
 
@@ -253,12 +270,14 @@ class MapCSSLexer(Lexer):
                   "OP_MATCH", "OP_NOT_MATCH", "OP_STARTS_WITH", "OP_ENDS_WITH", 
                   "OP_SUBSTRING", "OP_CONTAINS", "OP_OR", "OP_AND", "OP_MUL", 
                   "OP_DIV", "OP_MOD", "OP_PLUS", "OP_MINUS", "OP_NOT", "SET", 
-                  "IMPORT", "DIGIT", "CHAR", "NONASCII", "NMSTART", "NMCHAR", 
-                  "NCOMPONENT", "LBRACKET", "RBRACKET", "LBRACE", "RBRACE", 
-                  "COLON", "SEMICOLON", "EDQUOTE", "ESQUOTE", "DQUOTED_STRING", 
-                  "SQUOTED_STRING", "POSITIVE_INT", "NEGATIVE_INT", "POSITIVE_FLOAT", 
-                  "NEGATIVE_FLOAT", "RANGE", "REGEX_ESCAPE", "REGEX_START", 
-                  "REGEX_CHAR", "REGEXP", "WS", "SL_COMMENT", "ML_COMMENT" ]
+                  "IMPORT", "SUPPORTS", "SUPPORTS_NOT", "SUPPORTS_AND", 
+                  "SUPPORTS_OR", "DIGIT", "CHAR", "NONASCII", "NMSTART", 
+                  "NMCHAR", "NCOMPONENT", "LBRACKET", "RBRACKET", "LBRACE", 
+                  "RBRACE", "COLON", "SEMICOLON", "EDQUOTE", "ESQUOTE", 
+                  "DQUOTED_STRING", "SQUOTED_STRING", "POSITIVE_INT", "NEGATIVE_INT", 
+                  "POSITIVE_FLOAT", "NEGATIVE_FLOAT", "RANGE", "REGEX_ESCAPE", 
+                  "REGEX_START", "REGEX_CHAR", "REGEXP", "WS", "SL_COMMENT", 
+                  "ML_COMMENT" ]
 
     grammarFileName = "MapCSS.g4"
 
diff --git a/mapcss/generated/MapCSSLexer.tokens b/mapcss/generated/MapCSSLexer.tokens
index d241aebbd..2bbf11d0b 100644
--- a/mapcss/generated/MapCSSLexer.tokens
+++ b/mapcss/generated/MapCSSLexer.tokens
@@ -32,24 +32,28 @@ OP_MINUS=31
 OP_NOT=32
 SET=33
 IMPORT=34
-NCOMPONENT=35
-LBRACKET=36
-RBRACKET=37
-LBRACE=38
-RBRACE=39
-COLON=40
-SEMICOLON=41
-DQUOTED_STRING=42
-SQUOTED_STRING=43
-POSITIVE_INT=44
-NEGATIVE_INT=45
-POSITIVE_FLOAT=46
-NEGATIVE_FLOAT=47
-RANGE=48
-REGEXP=49
-WS=50
-SL_COMMENT=51
-ML_COMMENT=52
+SUPPORTS=35
+SUPPORTS_NOT=36
+SUPPORTS_AND=37
+SUPPORTS_OR=38
+NCOMPONENT=39
+LBRACKET=40
+RBRACKET=41
+LBRACE=42
+RBRACE=43
+COLON=44
+SEMICOLON=45
+DQUOTED_STRING=46
+SQUOTED_STRING=47
+POSITIVE_INT=48
+NEGATIVE_INT=49
+POSITIVE_FLOAT=50
+NEGATIVE_FLOAT=51
+RANGE=52
+REGEXP=53
+WS=54
+SL_COMMENT=55
+ML_COMMENT=56
 ','=1
 '?'=2
 '?!'=3
@@ -81,9 +85,9 @@ ML_COMMENT=52
 '+'=30
 '-'=31
 '!'=32
-'['=36
-']'=37
-'{'=38
-'}'=39
-':'=40
-';'=41
+'['=40
+']'=41
+'{'=42
+'}'=43
+':'=44
+';'=45
diff --git a/mapcss/generated/MapCSSListener.py b/mapcss/generated/MapCSSListener.py
index 68ab28c76..4493cfd57 100644
--- a/mapcss/generated/MapCSSListener.py
+++ b/mapcss/generated/MapCSSListener.py
@@ -242,6 +242,51 @@ def exitSingle_value(self, ctx:MapCSSParser.Single_valueContext):
         pass
 
 
+    # Enter a parse tree produced by MapCSSParser#supports_block.
+    def enterSupports_block(self, ctx:MapCSSParser.Supports_blockContext):
+        pass
+
+    # Exit a parse tree produced by MapCSSParser#supports_block.
+    def exitSupports_block(self, ctx:MapCSSParser.Supports_blockContext):
+        pass
+
+
+    # Enter a parse tree produced by MapCSSParser#supports_rule.
+    def enterSupports_rule(self, ctx:MapCSSParser.Supports_ruleContext):
+        pass
+
+    # Exit a parse tree produced by MapCSSParser#supports_rule.
+    def exitSupports_rule(self, ctx:MapCSSParser.Supports_ruleContext):
+        pass
+
+
+    # Enter a parse tree produced by MapCSSParser#supports_condition.
+    def enterSupports_condition(self, ctx:MapCSSParser.Supports_conditionContext):
+        pass
+
+    # Exit a parse tree produced by MapCSSParser#supports_condition.
+    def exitSupports_condition(self, ctx:MapCSSParser.Supports_conditionContext):
+        pass
+
+
+    # Enter a parse tree produced by MapCSSParser#supports_in_parens.
+    def enterSupports_in_parens(self, ctx:MapCSSParser.Supports_in_parensContext):
+        pass
+
+    # Exit a parse tree produced by MapCSSParser#supports_in_parens.
+    def exitSupports_in_parens(self, ctx:MapCSSParser.Supports_in_parensContext):
+        pass
+
+
+    # Enter a parse tree produced by MapCSSParser#supports_declaration.
+    def enterSupports_declaration(self, ctx:MapCSSParser.Supports_declarationContext):
+        pass
+
+    # Exit a parse tree produced by MapCSSParser#supports_declaration.
+    def exitSupports_declaration(self, ctx:MapCSSParser.Supports_declarationContext):
+        pass
+
+
     # Enter a parse tree produced by MapCSSParser#booleanOperator.
     def enterBooleanOperator(self, ctx:MapCSSParser.BooleanOperatorContext):
         pass
diff --git a/mapcss/generated/MapCSSParser.py b/mapcss/generated/MapCSSParser.py
index 438004c32..6a566c3a9 100644
--- a/mapcss/generated/MapCSSParser.py
+++ b/mapcss/generated/MapCSSParser.py
@@ -10,139 +10,164 @@
 
 def serializedATN():
     return [
-        4,1,83,364,2,0,7,0,2,1,7,1,2,2,7,2,2,3,7,3,2,4,7,4,2,5,7,5,2,6,7,
+        4,1,87,430,2,0,7,0,2,1,7,1,2,2,7,2,2,3,7,3,2,4,7,4,2,5,7,5,2,6,7,
         6,2,7,7,7,2,8,7,8,2,9,7,9,2,10,7,10,2,11,7,11,2,12,7,12,2,13,7,13,
         2,14,7,14,2,15,7,15,2,16,7,16,2,17,7,17,2,18,7,18,2,19,7,19,2,20,
         7,20,2,21,7,21,2,22,7,22,2,23,7,23,2,24,7,24,2,25,7,25,2,26,7,26,
         2,27,7,27,2,28,7,28,2,29,7,29,2,30,7,30,2,31,7,31,2,32,7,32,2,33,
-        7,33,2,34,7,34,1,0,5,0,72,8,0,10,0,12,0,75,9,0,1,0,1,0,1,1,1,1,1,
-        2,1,2,1,2,5,2,84,8,2,10,2,12,2,87,9,2,1,2,5,2,90,8,2,10,2,12,2,93,
-        9,2,1,2,1,2,1,3,1,3,1,3,1,3,1,3,1,3,1,3,1,3,5,3,105,8,3,10,3,12,
-        3,108,9,3,1,3,1,3,1,3,1,3,1,3,1,3,3,3,116,8,3,1,4,1,4,1,5,1,5,1,
-        6,1,6,1,6,1,6,1,6,1,6,1,6,1,6,1,6,1,6,1,6,1,6,3,6,134,8,6,1,7,1,
-        7,1,7,1,7,1,8,1,8,1,8,1,8,1,8,5,8,145,8,8,10,8,12,8,148,9,8,1,8,
-        3,8,151,8,8,1,9,1,9,1,10,1,10,1,11,3,11,158,8,11,1,11,1,11,1,12,
-        3,12,163,8,12,1,12,1,12,1,12,5,12,168,8,12,10,12,12,12,171,9,12,
-        1,13,1,13,1,13,1,13,1,14,1,14,3,14,179,8,14,1,15,3,15,182,8,15,1,
-        15,1,15,3,15,186,8,15,1,15,3,15,189,8,15,1,15,3,15,192,8,15,1,15,
-        3,15,195,8,15,1,16,1,16,1,16,1,16,1,16,3,16,202,8,16,1,17,1,17,1,
-        17,1,17,1,17,1,17,1,17,1,17,3,17,212,8,17,1,18,1,18,3,18,216,8,18,
-        1,19,1,19,1,19,1,19,1,19,1,19,3,19,224,8,19,1,20,1,20,1,20,5,20,
-        229,8,20,10,20,12,20,232,9,20,1,20,5,20,235,8,20,10,20,12,20,238,
-        9,20,1,21,1,21,3,21,242,8,21,1,21,1,21,1,21,1,21,1,21,3,21,249,8,
-        21,1,22,1,22,1,23,1,23,3,23,255,8,23,1,24,1,24,3,24,259,8,24,1,25,
-        1,25,1,25,1,25,1,25,1,25,3,25,267,8,25,1,26,1,26,1,27,1,27,1,28,
-        1,28,1,28,1,28,1,28,3,28,278,8,28,1,29,1,29,1,30,1,30,1,30,1,30,
-        1,30,1,30,1,30,1,30,1,30,1,30,1,30,1,30,1,30,1,30,1,30,1,30,1,30,
-        1,30,1,30,1,30,3,30,302,8,30,1,30,1,30,1,30,1,30,5,30,308,8,30,10,
-        30,12,30,311,9,30,1,31,1,31,1,31,1,31,1,31,1,31,1,31,3,31,320,8,
-        31,1,31,1,31,1,31,5,31,325,8,31,10,31,12,31,328,9,31,1,32,1,32,3,
-        32,332,8,32,1,33,1,33,1,33,1,33,1,33,5,33,339,8,33,10,33,12,33,342,
-        9,33,3,33,344,8,33,1,33,1,33,1,34,1,34,1,34,1,34,1,34,3,34,353,8,
-        34,1,34,1,34,3,34,357,8,34,1,34,1,34,1,34,3,34,362,8,34,1,34,0,2,
-        60,62,35,0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,
-        40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,0,9,1,0,17,18,1,0,4,
-        9,1,0,42,43,2,0,12,12,40,40,1,0,2,3,2,0,13,14,25,26,1,0,13,18,1,
-        0,19,20,1,0,27,31,391,0,73,1,0,0,0,2,78,1,0,0,0,4,80,1,0,0,0,6,115,
-        1,0,0,0,8,117,1,0,0,0,10,119,1,0,0,0,12,133,1,0,0,0,14,135,1,0,0,
-        0,16,139,1,0,0,0,18,152,1,0,0,0,20,154,1,0,0,0,22,157,1,0,0,0,24,
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+        7,1,0,0,0,129,130,7,0,0,0,130,9,1,0,0,0,131,132,7,1,0,0,132,11,1,
+        0,0,0,133,134,5,40,0,0,134,135,3,22,11,0,135,136,3,66,33,0,136,137,
+        3,72,36,0,137,138,5,41,0,0,138,146,1,0,0,0,139,140,5,40,0,0,140,
+        141,3,22,11,0,141,142,3,64,32,0,142,143,3,48,24,0,143,144,5,41,0,
+        0,144,146,1,0,0,0,145,133,1,0,0,0,145,139,1,0,0,0,146,13,1,0,0,0,
+        147,148,5,44,0,0,148,149,5,44,0,0,149,150,3,22,11,0,150,15,1,0,0,
+        0,151,158,3,36,18,0,152,157,3,18,9,0,153,157,3,32,16,0,154,157,3,
+        26,13,0,155,157,3,34,17,0,156,152,1,0,0,0,156,153,1,0,0,0,156,154,
+        1,0,0,0,156,155,1,0,0,0,157,160,1,0,0,0,158,156,1,0,0,0,158,159,
+        1,0,0,0,159,162,1,0,0,0,160,158,1,0,0,0,161,163,3,14,7,0,162,161,
+        1,0,0,0,162,163,1,0,0,0,163,17,1,0,0,0,164,165,5,52,0,0,165,19,1,
+        0,0,0,166,167,7,2,0,0,167,21,1,0,0,0,168,170,5,31,0,0,169,168,1,
+        0,0,0,169,170,1,0,0,0,170,171,1,0,0,0,171,172,5,39,0,0,172,23,1,
+        0,0,0,173,175,5,31,0,0,174,173,1,0,0,0,174,175,1,0,0,0,175,176,1,
+        0,0,0,176,181,5,39,0,0,177,178,7,3,0,0,178,180,5,39,0,0,179,177,
+        1,0,0,0,180,183,1,0,0,0,181,179,1,0,0,0,181,182,1,0,0,0,182,25,1,
+        0,0,0,183,181,1,0,0,0,184,185,5,40,0,0,185,186,3,28,14,0,186,187,
+        5,41,0,0,187,27,1,0,0,0,188,191,3,30,15,0,189,191,3,70,35,0,190,
+        188,1,0,0,0,190,189,1,0,0,0,191,29,1,0,0,0,192,194,5,32,0,0,193,
+        192,1,0,0,0,193,194,1,0,0,0,194,197,1,0,0,0,195,198,3,24,12,0,196,
+        198,3,20,10,0,197,195,1,0,0,0,197,196,1,0,0,0,198,200,1,0,0,0,199,
+        201,7,4,0,0,200,199,1,0,0,0,200,201,1,0,0,0,201,207,1,0,0,0,202,
+        204,5,32,0,0,203,202,1,0,0,0,203,204,1,0,0,0,204,205,1,0,0,0,205,
+        207,3,74,37,0,206,193,1,0,0,0,206,203,1,0,0,0,207,31,1,0,0,0,208,
+        209,5,32,0,0,209,210,5,12,0,0,210,214,3,22,11,0,211,212,5,12,0,0,
+        212,214,3,22,11,0,213,208,1,0,0,0,213,211,1,0,0,0,214,33,1,0,0,0,
+        215,216,5,44,0,0,216,217,5,32,0,0,217,224,3,22,11,0,218,219,5,32,
+        0,0,219,220,5,44,0,0,220,224,3,22,11,0,221,222,5,44,0,0,222,224,
+        3,22,11,0,223,215,1,0,0,0,223,218,1,0,0,0,223,221,1,0,0,0,224,35,
+        1,0,0,0,225,228,3,22,11,0,226,228,5,27,0,0,227,225,1,0,0,0,227,226,
+        1,0,0,0,228,37,1,0,0,0,229,230,5,42,0,0,230,231,3,40,20,0,231,232,
+        5,43,0,0,232,236,1,0,0,0,233,234,5,42,0,0,234,236,5,43,0,0,235,229,
+        1,0,0,0,235,233,1,0,0,0,236,39,1,0,0,0,237,242,3,42,21,0,238,239,
+        5,45,0,0,239,241,3,42,21,0,240,238,1,0,0,0,241,244,1,0,0,0,242,240,
+        1,0,0,0,242,243,1,0,0,0,243,248,1,0,0,0,244,242,1,0,0,0,245,247,
+        5,45,0,0,246,245,1,0,0,0,247,250,1,0,0,0,248,246,1,0,0,0,248,249,
+        1,0,0,0,249,41,1,0,0,0,250,248,1,0,0,0,251,253,5,33,0,0,252,254,
+        5,12,0,0,253,252,1,0,0,0,253,254,1,0,0,0,254,255,1,0,0,0,255,261,
+        3,22,11,0,256,257,3,44,22,0,257,258,5,44,0,0,258,259,3,46,23,0,259,
+        261,1,0,0,0,260,251,1,0,0,0,260,256,1,0,0,0,261,43,1,0,0,0,262,263,
+        3,22,11,0,263,45,1,0,0,0,264,267,3,50,25,0,265,267,3,76,38,0,266,
+        264,1,0,0,0,266,265,1,0,0,0,267,47,1,0,0,0,268,271,5,48,0,0,269,
+        271,5,49,0,0,270,268,1,0,0,0,270,269,1,0,0,0,271,49,1,0,0,0,272,
+        279,5,48,0,0,273,279,5,49,0,0,274,279,5,50,0,0,275,279,5,51,0,0,
+        276,279,3,20,10,0,277,279,3,24,12,0,278,272,1,0,0,0,278,273,1,0,
+        0,0,278,274,1,0,0,0,278,275,1,0,0,0,278,276,1,0,0,0,278,277,1,0,
+        0,0,279,51,1,0,0,0,280,281,3,54,27,0,281,285,5,42,0,0,282,284,3,
+        4,2,0,283,282,1,0,0,0,284,287,1,0,0,0,285,283,1,0,0,0,285,286,1,
+        0,0,0,286,288,1,0,0,0,287,285,1,0,0,0,288,289,5,43,0,0,289,53,1,
+        0,0,0,290,291,5,35,0,0,291,292,3,56,28,0,292,55,1,0,0,0,293,294,
+        5,36,0,0,294,312,3,58,29,0,295,300,3,58,29,0,296,297,5,37,0,0,297,
+        299,3,58,29,0,298,296,1,0,0,0,299,302,1,0,0,0,300,298,1,0,0,0,300,
+        301,1,0,0,0,301,312,1,0,0,0,302,300,1,0,0,0,303,308,3,58,29,0,304,
+        305,5,38,0,0,305,307,3,58,29,0,306,304,1,0,0,0,307,310,1,0,0,0,308,
+        306,1,0,0,0,308,309,1,0,0,0,309,312,1,0,0,0,310,308,1,0,0,0,311,
+        293,1,0,0,0,311,295,1,0,0,0,311,303,1,0,0,0,312,57,1,0,0,0,313,314,
+        5,10,0,0,314,315,3,56,28,0,315,316,5,11,0,0,316,322,1,0,0,0,317,
+        318,5,10,0,0,318,319,3,60,30,0,319,320,5,11,0,0,320,322,1,0,0,0,
+        321,313,1,0,0,0,321,317,1,0,0,0,322,59,1,0,0,0,323,324,3,22,11,0,
+        324,325,5,44,0,0,325,326,5,48,0,0,326,333,1,0,0,0,327,328,3,22,11,
+        0,328,329,5,44,0,0,329,330,5,39,0,0,330,333,1,0,0,0,331,333,3,22,
+        11,0,332,323,1,0,0,0,332,327,1,0,0,0,332,331,1,0,0,0,333,61,1,0,
+        0,0,334,335,7,5,0,0,335,63,1,0,0,0,336,337,7,6,0,0,337,65,1,0,0,
+        0,338,344,3,64,32,0,339,344,5,21,0,0,340,344,5,22,0,0,341,344,5,
+        23,0,0,342,344,5,24,0,0,343,338,1,0,0,0,343,339,1,0,0,0,343,340,
+        1,0,0,0,343,341,1,0,0,0,343,342,1,0,0,0,344,67,1,0,0,0,345,346,7,
+        7,0,0,346,69,1,0,0,0,347,348,6,35,-1,0,348,349,5,10,0,0,349,350,
+        3,70,35,0,350,351,5,11,0,0,351,368,1,0,0,0,352,353,5,32,0,0,353,
+        368,3,70,35,6,354,355,3,72,36,0,355,356,3,66,33,0,356,357,3,72,36,
+        0,357,368,1,0,0,0,358,359,3,72,36,0,359,360,3,68,34,0,360,361,3,
+        74,37,0,361,368,1,0,0,0,362,363,3,74,37,0,363,364,3,68,34,0,364,
+        365,3,74,37,0,365,368,1,0,0,0,366,368,3,76,38,0,367,347,1,0,0,0,
+        367,352,1,0,0,0,367,354,1,0,0,0,367,358,1,0,0,0,367,362,1,0,0,0,
+        367,366,1,0,0,0,368,375,1,0,0,0,369,370,10,5,0,0,370,371,3,62,31,
+        0,371,372,3,70,35,6,372,374,1,0,0,0,373,369,1,0,0,0,374,377,1,0,
+        0,0,375,373,1,0,0,0,375,376,1,0,0,0,376,71,1,0,0,0,377,375,1,0,0,
+        0,378,379,6,36,-1,0,379,380,5,10,0,0,380,381,3,72,36,0,381,382,5,
+        11,0,0,382,386,1,0,0,0,383,386,3,78,39,0,384,386,3,76,38,0,385,378,
+        1,0,0,0,385,383,1,0,0,0,385,384,1,0,0,0,386,392,1,0,0,0,387,388,
+        10,3,0,0,388,389,7,8,0,0,389,391,3,72,36,4,390,387,1,0,0,0,391,394,
+        1,0,0,0,392,390,1,0,0,0,392,393,1,0,0,0,393,73,1,0,0,0,394,392,1,
+        0,0,0,395,398,3,20,10,0,396,398,5,53,0,0,397,395,1,0,0,0,397,396,
+        1,0,0,0,398,75,1,0,0,0,399,400,3,22,11,0,400,409,5,10,0,0,401,406,
+        3,72,36,0,402,403,5,1,0,0,403,405,3,72,36,0,404,402,1,0,0,0,405,
+        408,1,0,0,0,406,404,1,0,0,0,406,407,1,0,0,0,407,410,1,0,0,0,408,
+        406,1,0,0,0,409,401,1,0,0,0,409,410,1,0,0,0,410,411,1,0,0,0,411,
+        412,5,11,0,0,412,77,1,0,0,0,413,428,5,50,0,0,414,428,5,48,0,0,415,
+        428,5,51,0,0,416,428,5,49,0,0,417,419,5,27,0,0,418,417,1,0,0,0,418,
+        419,1,0,0,0,419,420,1,0,0,0,420,428,3,20,10,0,421,423,5,27,0,0,422,
+        421,1,0,0,0,422,423,1,0,0,0,423,424,1,0,0,0,424,428,3,24,12,0,425,
+        426,5,27,0,0,426,428,3,74,37,0,427,413,1,0,0,0,427,414,1,0,0,0,427,
+        415,1,0,0,0,427,416,1,0,0,0,427,418,1,0,0,0,427,422,1,0,0,0,427,
+        425,1,0,0,0,428,79,1,0,0,0,48,83,90,97,103,116,118,127,145,156,158,
+        162,169,174,181,190,193,197,200,203,206,213,223,227,235,242,248,
+        253,260,266,270,278,285,300,308,311,321,332,343,367,375,385,392,
+        397,406,409,418,422,427
     ]
 
 class MapCSSParser ( Parser ):
@@ -161,6 +186,7 @@ class MapCSSParser ( Parser ):
                      "'<'", "'>'", "'=~'", "'!~'", "'^='", "'$='", "'*='", 
                      "'~='", "'||'", "'&&'", "'*'", "'/'", "'%'", "'+'", 
                      "'-'", "'!'", "<INVALID>", "<INVALID>", "<INVALID>", 
+                     "<INVALID>", "<INVALID>", "<INVALID>", "<INVALID>", 
                      "'['", "']'", "'{'", "'}'", "':'", "';'" ]
 
     symbolicNames = [ "<INVALID>", "COMMA", "QUESTION_MARK", "QUESTION_MARK_NEGATED", 
@@ -170,7 +196,8 @@ class MapCSSParser ( Parser ):
                       "OP_GT", "OP_MATCH", "OP_NOT_MATCH", "OP_STARTS_WITH", 
                       "OP_ENDS_WITH", "OP_SUBSTRING", "OP_CONTAINS", "OP_OR", 
                       "OP_AND", "OP_MUL", "OP_DIV", "OP_MOD", "OP_PLUS", 
-                      "OP_MINUS", "OP_NOT", "SET", "IMPORT", "NCOMPONENT", 
+                      "OP_MINUS", "OP_NOT", "SET", "IMPORT", "SUPPORTS", 
+                      "SUPPORTS_NOT", "SUPPORTS_AND", "SUPPORTS_OR", "NCOMPONENT", 
                       "LBRACKET", "RBRACKET", "LBRACE", "RBRACE", "COLON", 
                       "SEMICOLON", "DQUOTED_STRING", "SQUOTED_STRING", "POSITIVE_INT", 
                       "NEGATIVE_INT", "POSITIVE_FLOAT", "NEGATIVE_FLOAT", 
@@ -211,15 +238,20 @@ class MapCSSParser ( Parser ):
     RULE_declaration_value = 23
     RULE_int_ = 24
     RULE_single_value = 25
-    RULE_booleanOperator = 26
-    RULE_numericOperator = 27
-    RULE_valueOperator = 28
-    RULE_regexOperator = 29
-    RULE_booleanExpression = 30
-    RULE_valueExpression = 31
-    RULE_regexExpression = 32
-    RULE_functionExpression = 33
-    RULE_primaryExpression = 34
+    RULE_supports_block = 26
+    RULE_supports_rule = 27
+    RULE_supports_condition = 28
+    RULE_supports_in_parens = 29
+    RULE_supports_declaration = 30
+    RULE_booleanOperator = 31
+    RULE_numericOperator = 32
+    RULE_valueOperator = 33
+    RULE_regexOperator = 34
+    RULE_booleanExpression = 35
+    RULE_valueExpression = 36
+    RULE_regexExpression = 37
+    RULE_functionExpression = 38
+    RULE_primaryExpression = 39
 
     ruleNames =  [ "stylesheet", "entry", "rule_", "selector", "parent_child_selector_operator", 
                    "simple_selector_operator", "link_selector", "layer_id_selector", 
@@ -227,10 +259,12 @@ class MapCSSParser ( Parser ):
                    "osmtag", "attribute_selector", "predicate", "predicate_simple", 
                    "class_selector", "pseudo_class_selector", "type_selector", 
                    "declaration_block", "declarations", "declaration", "declaration_property", 
-                   "declaration_value", "int_", "single_value", "booleanOperator", 
-                   "numericOperator", "valueOperator", "regexOperator", 
-                   "booleanExpression", "valueExpression", "regexExpression", 
-                   "functionExpression", "primaryExpression" ]
+                   "declaration_value", "int_", "single_value", "supports_block", 
+                   "supports_rule", "supports_condition", "supports_in_parens", 
+                   "supports_declaration", "booleanOperator", "numericOperator", 
+                   "valueOperator", "regexOperator", "booleanExpression", 
+                   "valueExpression", "regexExpression", "functionExpression", 
+                   "primaryExpression" ]
 
     EOF = Token.EOF
     COMMA=1
@@ -267,55 +301,59 @@ class MapCSSParser ( Parser ):
     OP_NOT=32
     SET=33
     IMPORT=34
-    NCOMPONENT=35
-    LBRACKET=36
-    RBRACKET=37
-    LBRACE=38
-    RBRACE=39
-    COLON=40
-    SEMICOLON=41
-    DQUOTED_STRING=42
-    SQUOTED_STRING=43
-    POSITIVE_INT=44
-    NEGATIVE_INT=45
-    POSITIVE_FLOAT=46
-    NEGATIVE_FLOAT=47
-    RANGE=48
-    REGEXP=49
-    WS=50
-    SL_COMMENT=51
-    ML_COMMENT=52
-    STYLESHEET=53
-    RULE=54
-    SIMPLE_SELECTOR=55
-    DESCENDANT_COMBINATOR=56
-    CHILD_COMBINATOR=57
-    PARENT_COMBINATOR=58
-    TYPE_SELECTOR=59
-    ZOOM_SELECTOR=60
-    ATTRIBUTE_SELECTOR=61
-    CLASS_SELECTOR=62
-    PSEUDO_CLASS_SELECTOR=63
-    LAYER_ID_SELECTOR=64
-    DECLARATION_BLOCK=65
-    DECLARATION=66
-    VALUE_RGB=67
-    VALUE_RGBA=68
-    VALUE_URL=69
-    VALUE_KEYWORD=70
-    VALUE_QUOTED=71
-    VALUE_FLOAT=72
-    VALUE_INT=73
-    VALUE_PERCENTAGE=74
-    VALUE_POINTS=75
-    VALUE_PIXELS=76
-    VALUE_LIST=77
-    VALUE_REGEXP=78
-    VALUE_INCREMENT=79
-    FUNCTION_CALL=80
-    PREDICATE=81
-    TR_CALL=82
-    EVAL_CALL=83
+    SUPPORTS=35
+    SUPPORTS_NOT=36
+    SUPPORTS_AND=37
+    SUPPORTS_OR=38
+    NCOMPONENT=39
+    LBRACKET=40
+    RBRACKET=41
+    LBRACE=42
+    RBRACE=43
+    COLON=44
+    SEMICOLON=45
+    DQUOTED_STRING=46
+    SQUOTED_STRING=47
+    POSITIVE_INT=48
+    NEGATIVE_INT=49
+    POSITIVE_FLOAT=50
+    NEGATIVE_FLOAT=51
+    RANGE=52
+    REGEXP=53
+    WS=54
+    SL_COMMENT=55
+    ML_COMMENT=56
+    STYLESHEET=57
+    RULE=58
+    SIMPLE_SELECTOR=59
+    DESCENDANT_COMBINATOR=60
+    CHILD_COMBINATOR=61
+    PARENT_COMBINATOR=62
+    TYPE_SELECTOR=63
+    ZOOM_SELECTOR=64
+    ATTRIBUTE_SELECTOR=65
+    CLASS_SELECTOR=66
+    PSEUDO_CLASS_SELECTOR=67
+    LAYER_ID_SELECTOR=68
+    DECLARATION_BLOCK=69
+    DECLARATION=70
+    VALUE_RGB=71
+    VALUE_RGBA=72
+    VALUE_URL=73
+    VALUE_KEYWORD=74
+    VALUE_QUOTED=75
+    VALUE_FLOAT=76
+    VALUE_INT=77
+    VALUE_PERCENTAGE=78
+    VALUE_POINTS=79
+    VALUE_PIXELS=80
+    VALUE_LIST=81
+    VALUE_REGEXP=82
+    VALUE_INCREMENT=83
+    FUNCTION_CALL=84
+    PREDICATE=85
+    TR_CALL=86
+    EVAL_CALL=87
 
     def __init__(self, input:TokenStream, output:TextIO = sys.stdout):
         super().__init__(input, output)
@@ -364,17 +402,17 @@ def stylesheet(self):
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 73
+            self.state = 83
             self._errHandler.sync(self)
             _la = self._input.LA(1)
-            while (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << MapCSSParser.OP_MUL) | (1 << MapCSSParser.OP_MINUS) | (1 << MapCSSParser.NCOMPONENT))) != 0):
-                self.state = 70
+            while (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << MapCSSParser.OP_MUL) | (1 << MapCSSParser.OP_MINUS) | (1 << MapCSSParser.SUPPORTS) | (1 << MapCSSParser.NCOMPONENT))) != 0):
+                self.state = 80
                 self.entry()
-                self.state = 75
+                self.state = 85
                 self._errHandler.sync(self)
                 _la = self._input.LA(1)
 
-            self.state = 76
+            self.state = 86
             self.match(MapCSSParser.EOF)
         except RecognitionException as re:
             localctx.exception = re
@@ -396,6 +434,10 @@ def rule_(self):
             return self.getTypedRuleContext(MapCSSParser.Rule_Context,0)
 
 
+        def supports_block(self):
+            return self.getTypedRuleContext(MapCSSParser.Supports_blockContext,0)
+
+
         def getRuleIndex(self):
             return MapCSSParser.RULE_entry
 
@@ -415,9 +457,22 @@ def entry(self):
         localctx = MapCSSParser.EntryContext(self, self._ctx, self.state)
         self.enterRule(localctx, 2, self.RULE_entry)
         try:
-            self.enterOuterAlt(localctx, 1)
-            self.state = 78
-            self.rule_()
+            self.state = 90
+            self._errHandler.sync(self)
+            token = self._input.LA(1)
+            if token in [MapCSSParser.OP_MUL, MapCSSParser.OP_MINUS, MapCSSParser.NCOMPONENT]:
+                self.enterOuterAlt(localctx, 1)
+                self.state = 88
+                self.rule_()
+                pass
+            elif token in [MapCSSParser.SUPPORTS]:
+                self.enterOuterAlt(localctx, 2)
+                self.state = 89
+                self.supports_block()
+                pass
+            else:
+                raise NoViableAltException(self)
+
         except RecognitionException as re:
             localctx.exception = re
             self._errHandler.reportError(self, re)
@@ -472,32 +527,32 @@ def rule_(self):
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 80
+            self.state = 92
             self.selector()
-            self.state = 85
+            self.state = 97
             self._errHandler.sync(self)
-            _alt = self._interp.adaptivePredict(self._input,1,self._ctx)
+            _alt = self._interp.adaptivePredict(self._input,2,self._ctx)
             while _alt!=2 and _alt!=ATN.INVALID_ALT_NUMBER:
                 if _alt==1:
-                    self.state = 81
+                    self.state = 93
                     self.match(MapCSSParser.COMMA)
-                    self.state = 82
+                    self.state = 94
                     self.selector() 
-                self.state = 87
+                self.state = 99
                 self._errHandler.sync(self)
-                _alt = self._interp.adaptivePredict(self._input,1,self._ctx)
+                _alt = self._interp.adaptivePredict(self._input,2,self._ctx)
 
-            self.state = 91
+            self.state = 103
             self._errHandler.sync(self)
             _la = self._input.LA(1)
             while _la==MapCSSParser.COMMA:
-                self.state = 88
+                self.state = 100
                 self.match(MapCSSParser.COMMA)
-                self.state = 93
+                self.state = 105
                 self._errHandler.sync(self)
                 _la = self._input.LA(1)
 
-            self.state = 94
+            self.state = 106
             self.declaration_block()
         except RecognitionException as re:
             localctx.exception = re
@@ -564,62 +619,62 @@ def selector(self):
         self.enterRule(localctx, 6, self.RULE_selector)
         self._la = 0 # Token type
         try:
-            self.state = 115
+            self.state = 127
             self._errHandler.sync(self)
-            la_ = self._interp.adaptivePredict(self._input,5,self._ctx)
+            la_ = self._interp.adaptivePredict(self._input,6,self._ctx)
             if la_ == 1:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 96
+                self.state = 108
                 self.simple_selector()
                 pass
 
             elif la_ == 2:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 97
+                self.state = 109
                 self.simple_selector()
-                self.state = 98
+                self.state = 110
                 self.simple_selector()
                 pass
 
             elif la_ == 3:
                 self.enterOuterAlt(localctx, 3)
-                self.state = 100
+                self.state = 112
                 self.simple_selector()
-                self.state = 101
+                self.state = 113
                 self.parent_child_selector_operator()
-                self.state = 106
+                self.state = 118
                 self._errHandler.sync(self)
                 _la = self._input.LA(1)
                 while (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << MapCSSParser.OP_NOT) | (1 << MapCSSParser.LBRACKET) | (1 << MapCSSParser.COLON))) != 0):
-                    self.state = 104
+                    self.state = 116
                     self._errHandler.sync(self)
                     token = self._input.LA(1)
                     if token in [MapCSSParser.LBRACKET]:
-                        self.state = 102
+                        self.state = 114
                         self.link_selector()
                         pass
                     elif token in [MapCSSParser.OP_NOT, MapCSSParser.COLON]:
-                        self.state = 103
+                        self.state = 115
                         self.pseudo_class_selector()
                         pass
                     else:
                         raise NoViableAltException(self)
 
-                    self.state = 108
+                    self.state = 120
                     self._errHandler.sync(self)
                     _la = self._input.LA(1)
 
-                self.state = 109
+                self.state = 121
                 self.simple_selector()
                 pass
 
             elif la_ == 4:
                 self.enterOuterAlt(localctx, 4)
-                self.state = 111
+                self.state = 123
                 self.simple_selector()
-                self.state = 112
+                self.state = 124
                 self.simple_selector_operator()
-                self.state = 113
+                self.state = 125
                 self.simple_selector()
                 pass
 
@@ -667,7 +722,7 @@ def parent_child_selector_operator(self):
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 117
+            self.state = 129
             _la = self._input.LA(1)
             if not(_la==MapCSSParser.OP_LT or _la==MapCSSParser.OP_GT):
                 self._errHandler.recoverInline(self)
@@ -729,7 +784,7 @@ def simple_selector_operator(self):
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 119
+            self.state = 131
             _la = self._input.LA(1)
             if not((((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << MapCSSParser.OP_INCLUDED_IN) | (1 << MapCSSParser.OP_INTERSECTS) | (1 << MapCSSParser.OP_SUBSET) | (1 << MapCSSParser.OP_SUPERSET) | (1 << MapCSSParser.OP_NOSUBSET) | (1 << MapCSSParser.OP_NOSUPERSET))) != 0)):
                 self._errHandler.recoverInline(self)
@@ -798,34 +853,34 @@ def link_selector(self):
         localctx = MapCSSParser.Link_selectorContext(self, self._ctx, self.state)
         self.enterRule(localctx, 12, self.RULE_link_selector)
         try:
-            self.state = 133
+            self.state = 145
             self._errHandler.sync(self)
-            la_ = self._interp.adaptivePredict(self._input,6,self._ctx)
+            la_ = self._interp.adaptivePredict(self._input,7,self._ctx)
             if la_ == 1:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 121
+                self.state = 133
                 self.match(MapCSSParser.LBRACKET)
-                self.state = 122
+                self.state = 134
                 self.cssident()
-                self.state = 123
+                self.state = 135
                 self.valueOperator()
-                self.state = 124
+                self.state = 136
                 self.valueExpression(0)
-                self.state = 125
+                self.state = 137
                 self.match(MapCSSParser.RBRACKET)
                 pass
 
             elif la_ == 2:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 127
+                self.state = 139
                 self.match(MapCSSParser.LBRACKET)
-                self.state = 128
+                self.state = 140
                 self.cssident()
-                self.state = 129
+                self.state = 141
                 self.numericOperator()
-                self.state = 130
+                self.state = 142
                 localctx.v = self.int_()
-                self.state = 131
+                self.state = 143
                 self.match(MapCSSParser.RBRACKET)
                 pass
 
@@ -877,11 +932,11 @@ def layer_id_selector(self):
         self.enterRule(localctx, 14, self.RULE_layer_id_selector)
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 135
+            self.state = 147
             self.match(MapCSSParser.COLON)
-            self.state = 136
+            self.state = 148
             self.match(MapCSSParser.COLON)
-            self.state = 137
+            self.state = 149
             localctx.k = self.cssident()
         except RecognitionException as re:
             localctx.exception = re
@@ -956,46 +1011,46 @@ def simple_selector(self):
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 139
+            self.state = 151
             self.type_selector()
-            self.state = 146
+            self.state = 158
             self._errHandler.sync(self)
-            _alt = self._interp.adaptivePredict(self._input,8,self._ctx)
+            _alt = self._interp.adaptivePredict(self._input,9,self._ctx)
             while _alt!=2 and _alt!=ATN.INVALID_ALT_NUMBER:
                 if _alt==1:
-                    self.state = 144
+                    self.state = 156
                     self._errHandler.sync(self)
-                    la_ = self._interp.adaptivePredict(self._input,7,self._ctx)
+                    la_ = self._interp.adaptivePredict(self._input,8,self._ctx)
                     if la_ == 1:
-                        self.state = 140
+                        self.state = 152
                         self.zoom_selector()
                         pass
 
                     elif la_ == 2:
-                        self.state = 141
+                        self.state = 153
                         self.class_selector()
                         pass
 
                     elif la_ == 3:
-                        self.state = 142
+                        self.state = 154
                         self.attribute_selector()
                         pass
 
                     elif la_ == 4:
-                        self.state = 143
+                        self.state = 155
                         self.pseudo_class_selector()
                         pass
 
              
-                self.state = 148
+                self.state = 160
                 self._errHandler.sync(self)
-                _alt = self._interp.adaptivePredict(self._input,8,self._ctx)
+                _alt = self._interp.adaptivePredict(self._input,9,self._ctx)
 
-            self.state = 150
+            self.state = 162
             self._errHandler.sync(self)
             _la = self._input.LA(1)
             if _la==MapCSSParser.COLON:
-                self.state = 149
+                self.state = 161
                 self.layer_id_selector()
 
 
@@ -1038,7 +1093,7 @@ def zoom_selector(self):
         self.enterRule(localctx, 18, self.RULE_zoom_selector)
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 152
+            self.state = 164
             self.match(MapCSSParser.RANGE)
         except RecognitionException as re:
             localctx.exception = re
@@ -1083,7 +1138,7 @@ def quoted(self):
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 154
+            self.state = 166
             _la = self._input.LA(1)
             if not(_la==MapCSSParser.DQUOTED_STRING or _la==MapCSSParser.SQUOTED_STRING):
                 self._errHandler.recoverInline(self)
@@ -1133,15 +1188,15 @@ def cssident(self):
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 157
+            self.state = 169
             self._errHandler.sync(self)
             _la = self._input.LA(1)
             if _la==MapCSSParser.OP_MINUS:
-                self.state = 156
+                self.state = 168
                 self.match(MapCSSParser.OP_MINUS)
 
 
-            self.state = 159
+            self.state = 171
             self.match(MapCSSParser.NCOMPONENT)
         except RecognitionException as re:
             localctx.exception = re
@@ -1201,33 +1256,33 @@ def osmtag(self):
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 162
+            self.state = 174
             self._errHandler.sync(self)
             _la = self._input.LA(1)
             if _la==MapCSSParser.OP_MINUS:
-                self.state = 161
+                self.state = 173
                 self.match(MapCSSParser.OP_MINUS)
 
 
-            self.state = 164
+            self.state = 176
             self.match(MapCSSParser.NCOMPONENT)
-            self.state = 169
+            self.state = 181
             self._errHandler.sync(self)
-            _alt = self._interp.adaptivePredict(self._input,12,self._ctx)
+            _alt = self._interp.adaptivePredict(self._input,13,self._ctx)
             while _alt!=2 and _alt!=ATN.INVALID_ALT_NUMBER:
                 if _alt==1:
-                    self.state = 165
+                    self.state = 177
                     _la = self._input.LA(1)
                     if not(_la==MapCSSParser.DOT or _la==MapCSSParser.COLON):
                         self._errHandler.recoverInline(self)
                     else:
                         self._errHandler.reportMatch(self)
                         self.consume()
-                    self.state = 166
+                    self.state = 178
                     self.match(MapCSSParser.NCOMPONENT) 
-                self.state = 171
+                self.state = 183
                 self._errHandler.sync(self)
-                _alt = self._interp.adaptivePredict(self._input,12,self._ctx)
+                _alt = self._interp.adaptivePredict(self._input,13,self._ctx)
 
         except RecognitionException as re:
             localctx.exception = re
@@ -1275,11 +1330,11 @@ def attribute_selector(self):
         self.enterRule(localctx, 26, self.RULE_attribute_selector)
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 172
+            self.state = 184
             self.match(MapCSSParser.LBRACKET)
-            self.state = 173
+            self.state = 185
             self.predicate()
-            self.state = 174
+            self.state = 186
             self.match(MapCSSParser.RBRACKET)
         except RecognitionException as re:
             localctx.exception = re
@@ -1324,18 +1379,18 @@ def predicate(self):
         localctx = MapCSSParser.PredicateContext(self, self._ctx, self.state)
         self.enterRule(localctx, 28, self.RULE_predicate)
         try:
-            self.state = 178
+            self.state = 190
             self._errHandler.sync(self)
-            la_ = self._interp.adaptivePredict(self._input,13,self._ctx)
+            la_ = self._interp.adaptivePredict(self._input,14,self._ctx)
             if la_ == 1:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 176
+                self.state = 188
                 self.predicate_simple()
                 pass
 
             elif la_ == 2:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 177
+                self.state = 189
                 self.booleanExpression(0)
                 pass
 
@@ -1397,38 +1452,38 @@ def predicate_simple(self):
         self.enterRule(localctx, 30, self.RULE_predicate_simple)
         self._la = 0 # Token type
         try:
-            self.state = 194
+            self.state = 206
             self._errHandler.sync(self)
-            la_ = self._interp.adaptivePredict(self._input,18,self._ctx)
+            la_ = self._interp.adaptivePredict(self._input,19,self._ctx)
             if la_ == 1:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 181
+                self.state = 193
                 self._errHandler.sync(self)
                 _la = self._input.LA(1)
                 if _la==MapCSSParser.OP_NOT:
-                    self.state = 180
+                    self.state = 192
                     self.match(MapCSSParser.OP_NOT)
 
 
-                self.state = 185
+                self.state = 197
                 self._errHandler.sync(self)
                 token = self._input.LA(1)
                 if token in [MapCSSParser.OP_MINUS, MapCSSParser.NCOMPONENT]:
-                    self.state = 183
+                    self.state = 195
                     self.osmtag()
                     pass
                 elif token in [MapCSSParser.DQUOTED_STRING, MapCSSParser.SQUOTED_STRING]:
-                    self.state = 184
+                    self.state = 196
                     self.quoted()
                     pass
                 else:
                     raise NoViableAltException(self)
 
-                self.state = 188
+                self.state = 200
                 self._errHandler.sync(self)
                 _la = self._input.LA(1)
                 if _la==MapCSSParser.QUESTION_MARK or _la==MapCSSParser.QUESTION_MARK_NEGATED:
-                    self.state = 187
+                    self.state = 199
                     _la = self._input.LA(1)
                     if not(_la==MapCSSParser.QUESTION_MARK or _la==MapCSSParser.QUESTION_MARK_NEGATED):
                         self._errHandler.recoverInline(self)
@@ -1441,15 +1496,15 @@ def predicate_simple(self):
 
             elif la_ == 2:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 191
+                self.state = 203
                 self._errHandler.sync(self)
                 _la = self._input.LA(1)
                 if _la==MapCSSParser.OP_NOT:
-                    self.state = 190
+                    self.state = 202
                     self.match(MapCSSParser.OP_NOT)
 
 
-                self.state = 193
+                self.state = 205
                 self.regexExpression()
                 pass
 
@@ -1499,23 +1554,23 @@ def class_selector(self):
         localctx = MapCSSParser.Class_selectorContext(self, self._ctx, self.state)
         self.enterRule(localctx, 32, self.RULE_class_selector)
         try:
-            self.state = 201
+            self.state = 213
             self._errHandler.sync(self)
             token = self._input.LA(1)
             if token in [MapCSSParser.OP_NOT]:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 196
+                self.state = 208
                 self.match(MapCSSParser.OP_NOT)
-                self.state = 197
+                self.state = 209
                 self.match(MapCSSParser.DOT)
-                self.state = 198
+                self.state = 210
                 self.cssident()
                 pass
             elif token in [MapCSSParser.DOT]:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 199
+                self.state = 211
                 self.match(MapCSSParser.DOT)
-                self.state = 200
+                self.state = 212
                 self.cssident()
                 pass
             else:
@@ -1566,34 +1621,34 @@ def pseudo_class_selector(self):
         localctx = MapCSSParser.Pseudo_class_selectorContext(self, self._ctx, self.state)
         self.enterRule(localctx, 34, self.RULE_pseudo_class_selector)
         try:
-            self.state = 211
+            self.state = 223
             self._errHandler.sync(self)
-            la_ = self._interp.adaptivePredict(self._input,20,self._ctx)
+            la_ = self._interp.adaptivePredict(self._input,21,self._ctx)
             if la_ == 1:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 203
+                self.state = 215
                 self.match(MapCSSParser.COLON)
-                self.state = 204
+                self.state = 216
                 self.match(MapCSSParser.OP_NOT)
-                self.state = 205
+                self.state = 217
                 self.cssident()
                 pass
 
             elif la_ == 2:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 206
+                self.state = 218
                 self.match(MapCSSParser.OP_NOT)
-                self.state = 207
+                self.state = 219
                 self.match(MapCSSParser.COLON)
-                self.state = 208
+                self.state = 220
                 self.cssident()
                 pass
 
             elif la_ == 3:
                 self.enterOuterAlt(localctx, 3)
-                self.state = 209
+                self.state = 221
                 self.match(MapCSSParser.COLON)
-                self.state = 210
+                self.state = 222
                 self.cssident()
                 pass
 
@@ -1640,17 +1695,17 @@ def type_selector(self):
         localctx = MapCSSParser.Type_selectorContext(self, self._ctx, self.state)
         self.enterRule(localctx, 36, self.RULE_type_selector)
         try:
-            self.state = 215
+            self.state = 227
             self._errHandler.sync(self)
             token = self._input.LA(1)
             if token in [MapCSSParser.OP_MINUS, MapCSSParser.NCOMPONENT]:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 213
+                self.state = 225
                 self.cssident()
                 pass
             elif token in [MapCSSParser.OP_MUL]:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 214
+                self.state = 226
                 self.match(MapCSSParser.OP_MUL)
                 pass
             else:
@@ -1702,24 +1757,24 @@ def declaration_block(self):
         localctx = MapCSSParser.Declaration_blockContext(self, self._ctx, self.state)
         self.enterRule(localctx, 38, self.RULE_declaration_block)
         try:
-            self.state = 223
+            self.state = 235
             self._errHandler.sync(self)
-            la_ = self._interp.adaptivePredict(self._input,22,self._ctx)
+            la_ = self._interp.adaptivePredict(self._input,23,self._ctx)
             if la_ == 1:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 217
+                self.state = 229
                 localctx.l = self.match(MapCSSParser.LBRACE)
-                self.state = 218
+                self.state = 230
                 self.declarations()
-                self.state = 219
+                self.state = 231
                 self.match(MapCSSParser.RBRACE)
                 pass
 
             elif la_ == 2:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 221
+                self.state = 233
                 localctx.l = self.match(MapCSSParser.LBRACE)
-                self.state = 222
+                self.state = 234
                 self.match(MapCSSParser.RBRACE)
                 pass
 
@@ -1774,28 +1829,28 @@ def declarations(self):
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 225
+            self.state = 237
             self.declaration()
-            self.state = 230
+            self.state = 242
             self._errHandler.sync(self)
-            _alt = self._interp.adaptivePredict(self._input,23,self._ctx)
+            _alt = self._interp.adaptivePredict(self._input,24,self._ctx)
             while _alt!=2 and _alt!=ATN.INVALID_ALT_NUMBER:
                 if _alt==1:
-                    self.state = 226
+                    self.state = 238
                     self.match(MapCSSParser.SEMICOLON)
-                    self.state = 227
+                    self.state = 239
                     self.declaration() 
-                self.state = 232
+                self.state = 244
                 self._errHandler.sync(self)
-                _alt = self._interp.adaptivePredict(self._input,23,self._ctx)
+                _alt = self._interp.adaptivePredict(self._input,24,self._ctx)
 
-            self.state = 236
+            self.state = 248
             self._errHandler.sync(self)
             _la = self._input.LA(1)
             while _la==MapCSSParser.SEMICOLON:
-                self.state = 233
+                self.state = 245
                 self.match(MapCSSParser.SEMICOLON)
-                self.state = 238
+                self.state = 250
                 self._errHandler.sync(self)
                 _la = self._input.LA(1)
 
@@ -1856,31 +1911,31 @@ def declaration(self):
         self.enterRule(localctx, 42, self.RULE_declaration)
         self._la = 0 # Token type
         try:
-            self.state = 248
+            self.state = 260
             self._errHandler.sync(self)
             token = self._input.LA(1)
             if token in [MapCSSParser.SET]:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 239
+                self.state = 251
                 self.match(MapCSSParser.SET)
-                self.state = 241
+                self.state = 253
                 self._errHandler.sync(self)
                 _la = self._input.LA(1)
                 if _la==MapCSSParser.DOT:
-                    self.state = 240
+                    self.state = 252
                     self.match(MapCSSParser.DOT)
 
 
-                self.state = 243
+                self.state = 255
                 self.cssident()
                 pass
             elif token in [MapCSSParser.OP_MINUS, MapCSSParser.NCOMPONENT]:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 244
+                self.state = 256
                 self.declaration_property()
-                self.state = 245
+                self.state = 257
                 self.match(MapCSSParser.COLON)
-                self.state = 246
+                self.state = 258
                 self.declaration_value()
                 pass
             else:
@@ -1926,7 +1981,7 @@ def declaration_property(self):
         self.enterRule(localctx, 44, self.RULE_declaration_property)
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 250
+            self.state = 262
             self.cssident()
         except RecognitionException as re:
             localctx.exception = re
@@ -1971,18 +2026,18 @@ def declaration_value(self):
         localctx = MapCSSParser.Declaration_valueContext(self, self._ctx, self.state)
         self.enterRule(localctx, 46, self.RULE_declaration_value)
         try:
-            self.state = 254
+            self.state = 266
             self._errHandler.sync(self)
-            la_ = self._interp.adaptivePredict(self._input,27,self._ctx)
+            la_ = self._interp.adaptivePredict(self._input,28,self._ctx)
             if la_ == 1:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 252
+                self.state = 264
                 self.single_value()
                 pass
 
             elif la_ == 2:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 253
+                self.state = 265
                 self.functionExpression()
                 pass
 
@@ -2029,17 +2084,17 @@ def int_(self):
         localctx = MapCSSParser.Int_Context(self, self._ctx, self.state)
         self.enterRule(localctx, 48, self.RULE_int_)
         try:
-            self.state = 258
+            self.state = 270
             self._errHandler.sync(self)
             token = self._input.LA(1)
             if token in [MapCSSParser.POSITIVE_INT]:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 256
+                self.state = 268
                 localctx.n = self.match(MapCSSParser.POSITIVE_INT)
                 pass
             elif token in [MapCSSParser.NEGATIVE_INT]:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 257
+                self.state = 269
                 localctx.n = self.match(MapCSSParser.NEGATIVE_INT)
                 pass
             else:
@@ -2101,37 +2156,37 @@ def single_value(self):
         localctx = MapCSSParser.Single_valueContext(self, self._ctx, self.state)
         self.enterRule(localctx, 50, self.RULE_single_value)
         try:
-            self.state = 266
+            self.state = 278
             self._errHandler.sync(self)
             token = self._input.LA(1)
             if token in [MapCSSParser.POSITIVE_INT]:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 260
+                self.state = 272
                 localctx.v = self.match(MapCSSParser.POSITIVE_INT)
                 pass
             elif token in [MapCSSParser.NEGATIVE_INT]:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 261
+                self.state = 273
                 localctx.v = self.match(MapCSSParser.NEGATIVE_INT)
                 pass
             elif token in [MapCSSParser.POSITIVE_FLOAT]:
                 self.enterOuterAlt(localctx, 3)
-                self.state = 262
+                self.state = 274
                 localctx.v = self.match(MapCSSParser.POSITIVE_FLOAT)
                 pass
             elif token in [MapCSSParser.NEGATIVE_FLOAT]:
                 self.enterOuterAlt(localctx, 4)
-                self.state = 263
+                self.state = 275
                 localctx.v = self.match(MapCSSParser.NEGATIVE_FLOAT)
                 pass
             elif token in [MapCSSParser.DQUOTED_STRING, MapCSSParser.SQUOTED_STRING]:
                 self.enterOuterAlt(localctx, 5)
-                self.state = 264
+                self.state = 276
                 self.quoted()
                 pass
             elif token in [MapCSSParser.OP_MINUS, MapCSSParser.NCOMPONENT]:
                 self.enterOuterAlt(localctx, 6)
-                self.state = 265
+                self.state = 277
                 self.osmtag()
                 pass
             else:
@@ -2146,6 +2201,380 @@ def single_value(self):
         return localctx
 
 
+    class Supports_blockContext(ParserRuleContext):
+        __slots__ = 'parser'
+
+        def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
+            super().__init__(parent, invokingState)
+            self.parser = parser
+
+        def supports_rule(self):
+            return self.getTypedRuleContext(MapCSSParser.Supports_ruleContext,0)
+
+
+        def LBRACE(self):
+            return self.getToken(MapCSSParser.LBRACE, 0)
+
+        def RBRACE(self):
+            return self.getToken(MapCSSParser.RBRACE, 0)
+
+        def rule_(self, i:int=None):
+            if i is None:
+                return self.getTypedRuleContexts(MapCSSParser.Rule_Context)
+            else:
+                return self.getTypedRuleContext(MapCSSParser.Rule_Context,i)
+
+
+        def getRuleIndex(self):
+            return MapCSSParser.RULE_supports_block
+
+        def enterRule(self, listener:ParseTreeListener):
+            if hasattr( listener, "enterSupports_block" ):
+                listener.enterSupports_block(self)
+
+        def exitRule(self, listener:ParseTreeListener):
+            if hasattr( listener, "exitSupports_block" ):
+                listener.exitSupports_block(self)
+
+
+
+
+    def supports_block(self):
+
+        localctx = MapCSSParser.Supports_blockContext(self, self._ctx, self.state)
+        self.enterRule(localctx, 52, self.RULE_supports_block)
+        self._la = 0 # Token type
+        try:
+            self.enterOuterAlt(localctx, 1)
+            self.state = 280
+            self.supports_rule()
+            self.state = 281
+            self.match(MapCSSParser.LBRACE)
+            self.state = 285
+            self._errHandler.sync(self)
+            _la = self._input.LA(1)
+            while (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << MapCSSParser.OP_MUL) | (1 << MapCSSParser.OP_MINUS) | (1 << MapCSSParser.NCOMPONENT))) != 0):
+                self.state = 282
+                self.rule_()
+                self.state = 287
+                self._errHandler.sync(self)
+                _la = self._input.LA(1)
+
+            self.state = 288
+            self.match(MapCSSParser.RBRACE)
+        except RecognitionException as re:
+            localctx.exception = re
+            self._errHandler.reportError(self, re)
+            self._errHandler.recover(self, re)
+        finally:
+            self.exitRule()
+        return localctx
+
+
+    class Supports_ruleContext(ParserRuleContext):
+        __slots__ = 'parser'
+
+        def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
+            super().__init__(parent, invokingState)
+            self.parser = parser
+
+        def SUPPORTS(self):
+            return self.getToken(MapCSSParser.SUPPORTS, 0)
+
+        def supports_condition(self):
+            return self.getTypedRuleContext(MapCSSParser.Supports_conditionContext,0)
+
+
+        def getRuleIndex(self):
+            return MapCSSParser.RULE_supports_rule
+
+        def enterRule(self, listener:ParseTreeListener):
+            if hasattr( listener, "enterSupports_rule" ):
+                listener.enterSupports_rule(self)
+
+        def exitRule(self, listener:ParseTreeListener):
+            if hasattr( listener, "exitSupports_rule" ):
+                listener.exitSupports_rule(self)
+
+
+
+
+    def supports_rule(self):
+
+        localctx = MapCSSParser.Supports_ruleContext(self, self._ctx, self.state)
+        self.enterRule(localctx, 54, self.RULE_supports_rule)
+        try:
+            self.enterOuterAlt(localctx, 1)
+            self.state = 290
+            self.match(MapCSSParser.SUPPORTS)
+            self.state = 291
+            self.supports_condition()
+        except RecognitionException as re:
+            localctx.exception = re
+            self._errHandler.reportError(self, re)
+            self._errHandler.recover(self, re)
+        finally:
+            self.exitRule()
+        return localctx
+
+
+    class Supports_conditionContext(ParserRuleContext):
+        __slots__ = 'parser'
+
+        def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
+            super().__init__(parent, invokingState)
+            self.parser = parser
+
+        def SUPPORTS_NOT(self):
+            return self.getToken(MapCSSParser.SUPPORTS_NOT, 0)
+
+        def supports_in_parens(self, i:int=None):
+            if i is None:
+                return self.getTypedRuleContexts(MapCSSParser.Supports_in_parensContext)
+            else:
+                return self.getTypedRuleContext(MapCSSParser.Supports_in_parensContext,i)
+
+
+        def SUPPORTS_AND(self, i:int=None):
+            if i is None:
+                return self.getTokens(MapCSSParser.SUPPORTS_AND)
+            else:
+                return self.getToken(MapCSSParser.SUPPORTS_AND, i)
+
+        def SUPPORTS_OR(self, i:int=None):
+            if i is None:
+                return self.getTokens(MapCSSParser.SUPPORTS_OR)
+            else:
+                return self.getToken(MapCSSParser.SUPPORTS_OR, i)
+
+        def getRuleIndex(self):
+            return MapCSSParser.RULE_supports_condition
+
+        def enterRule(self, listener:ParseTreeListener):
+            if hasattr( listener, "enterSupports_condition" ):
+                listener.enterSupports_condition(self)
+
+        def exitRule(self, listener:ParseTreeListener):
+            if hasattr( listener, "exitSupports_condition" ):
+                listener.exitSupports_condition(self)
+
+
+
+
+    def supports_condition(self):
+
+        localctx = MapCSSParser.Supports_conditionContext(self, self._ctx, self.state)
+        self.enterRule(localctx, 56, self.RULE_supports_condition)
+        self._la = 0 # Token type
+        try:
+            self.state = 311
+            self._errHandler.sync(self)
+            la_ = self._interp.adaptivePredict(self._input,34,self._ctx)
+            if la_ == 1:
+                self.enterOuterAlt(localctx, 1)
+                self.state = 293
+                self.match(MapCSSParser.SUPPORTS_NOT)
+                self.state = 294
+                self.supports_in_parens()
+                pass
+
+            elif la_ == 2:
+                self.enterOuterAlt(localctx, 2)
+                self.state = 295
+                self.supports_in_parens()
+                self.state = 300
+                self._errHandler.sync(self)
+                _la = self._input.LA(1)
+                while _la==MapCSSParser.SUPPORTS_AND:
+                    self.state = 296
+                    self.match(MapCSSParser.SUPPORTS_AND)
+                    self.state = 297
+                    self.supports_in_parens()
+                    self.state = 302
+                    self._errHandler.sync(self)
+                    _la = self._input.LA(1)
+
+                pass
+
+            elif la_ == 3:
+                self.enterOuterAlt(localctx, 3)
+                self.state = 303
+                self.supports_in_parens()
+                self.state = 308
+                self._errHandler.sync(self)
+                _la = self._input.LA(1)
+                while _la==MapCSSParser.SUPPORTS_OR:
+                    self.state = 304
+                    self.match(MapCSSParser.SUPPORTS_OR)
+                    self.state = 305
+                    self.supports_in_parens()
+                    self.state = 310
+                    self._errHandler.sync(self)
+                    _la = self._input.LA(1)
+
+                pass
+
+
+        except RecognitionException as re:
+            localctx.exception = re
+            self._errHandler.reportError(self, re)
+            self._errHandler.recover(self, re)
+        finally:
+            self.exitRule()
+        return localctx
+
+
+    class Supports_in_parensContext(ParserRuleContext):
+        __slots__ = 'parser'
+
+        def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
+            super().__init__(parent, invokingState)
+            self.parser = parser
+
+        def PAR_OPEN(self):
+            return self.getToken(MapCSSParser.PAR_OPEN, 0)
+
+        def supports_condition(self):
+            return self.getTypedRuleContext(MapCSSParser.Supports_conditionContext,0)
+
+
+        def PAR_CLOSE(self):
+            return self.getToken(MapCSSParser.PAR_CLOSE, 0)
+
+        def supports_declaration(self):
+            return self.getTypedRuleContext(MapCSSParser.Supports_declarationContext,0)
+
+
+        def getRuleIndex(self):
+            return MapCSSParser.RULE_supports_in_parens
+
+        def enterRule(self, listener:ParseTreeListener):
+            if hasattr( listener, "enterSupports_in_parens" ):
+                listener.enterSupports_in_parens(self)
+
+        def exitRule(self, listener:ParseTreeListener):
+            if hasattr( listener, "exitSupports_in_parens" ):
+                listener.exitSupports_in_parens(self)
+
+
+
+
+    def supports_in_parens(self):
+
+        localctx = MapCSSParser.Supports_in_parensContext(self, self._ctx, self.state)
+        self.enterRule(localctx, 58, self.RULE_supports_in_parens)
+        try:
+            self.state = 321
+            self._errHandler.sync(self)
+            la_ = self._interp.adaptivePredict(self._input,35,self._ctx)
+            if la_ == 1:
+                self.enterOuterAlt(localctx, 1)
+                self.state = 313
+                self.match(MapCSSParser.PAR_OPEN)
+                self.state = 314
+                self.supports_condition()
+                self.state = 315
+                self.match(MapCSSParser.PAR_CLOSE)
+                pass
+
+            elif la_ == 2:
+                self.enterOuterAlt(localctx, 2)
+                self.state = 317
+                self.match(MapCSSParser.PAR_OPEN)
+                self.state = 318
+                self.supports_declaration()
+                self.state = 319
+                self.match(MapCSSParser.PAR_CLOSE)
+                pass
+
+
+        except RecognitionException as re:
+            localctx.exception = re
+            self._errHandler.reportError(self, re)
+            self._errHandler.recover(self, re)
+        finally:
+            self.exitRule()
+        return localctx
+
+
+    class Supports_declarationContext(ParserRuleContext):
+        __slots__ = 'parser'
+
+        def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
+            super().__init__(parent, invokingState)
+            self.parser = parser
+
+        def cssident(self):
+            return self.getTypedRuleContext(MapCSSParser.CssidentContext,0)
+
+
+        def COLON(self):
+            return self.getToken(MapCSSParser.COLON, 0)
+
+        def POSITIVE_INT(self):
+            return self.getToken(MapCSSParser.POSITIVE_INT, 0)
+
+        def NCOMPONENT(self):
+            return self.getToken(MapCSSParser.NCOMPONENT, 0)
+
+        def getRuleIndex(self):
+            return MapCSSParser.RULE_supports_declaration
+
+        def enterRule(self, listener:ParseTreeListener):
+            if hasattr( listener, "enterSupports_declaration" ):
+                listener.enterSupports_declaration(self)
+
+        def exitRule(self, listener:ParseTreeListener):
+            if hasattr( listener, "exitSupports_declaration" ):
+                listener.exitSupports_declaration(self)
+
+
+
+
+    def supports_declaration(self):
+
+        localctx = MapCSSParser.Supports_declarationContext(self, self._ctx, self.state)
+        self.enterRule(localctx, 60, self.RULE_supports_declaration)
+        try:
+            self.state = 332
+            self._errHandler.sync(self)
+            la_ = self._interp.adaptivePredict(self._input,36,self._ctx)
+            if la_ == 1:
+                self.enterOuterAlt(localctx, 1)
+                self.state = 323
+                self.cssident()
+                self.state = 324
+                self.match(MapCSSParser.COLON)
+                self.state = 325
+                self.match(MapCSSParser.POSITIVE_INT)
+                pass
+
+            elif la_ == 2:
+                self.enterOuterAlt(localctx, 2)
+                self.state = 327
+                self.cssident()
+                self.state = 328
+                self.match(MapCSSParser.COLON)
+                self.state = 329
+                self.match(MapCSSParser.NCOMPONENT)
+                pass
+
+            elif la_ == 3:
+                self.enterOuterAlt(localctx, 3)
+                self.state = 331
+                self.cssident()
+                pass
+
+
+        except RecognitionException as re:
+            localctx.exception = re
+            self._errHandler.reportError(self, re)
+            self._errHandler.recover(self, re)
+        finally:
+            self.exitRule()
+        return localctx
+
+
     class BooleanOperatorContext(ParserRuleContext):
         __slots__ = 'parser'
 
@@ -2182,11 +2611,11 @@ def exitRule(self, listener:ParseTreeListener):
     def booleanOperator(self):
 
         localctx = MapCSSParser.BooleanOperatorContext(self, self._ctx, self.state)
-        self.enterRule(localctx, 52, self.RULE_booleanOperator)
+        self.enterRule(localctx, 62, self.RULE_booleanOperator)
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 268
+            self.state = 334
             _la = self._input.LA(1)
             if not((((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << MapCSSParser.OP_EQ) | (1 << MapCSSParser.OP_NEQ) | (1 << MapCSSParser.OP_OR) | (1 << MapCSSParser.OP_AND))) != 0)):
                 self._errHandler.recoverInline(self)
@@ -2244,11 +2673,11 @@ def exitRule(self, listener:ParseTreeListener):
     def numericOperator(self):
 
         localctx = MapCSSParser.NumericOperatorContext(self, self._ctx, self.state)
-        self.enterRule(localctx, 54, self.RULE_numericOperator)
+        self.enterRule(localctx, 64, self.RULE_numericOperator)
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 270
+            self.state = 336
             _la = self._input.LA(1)
             if not((((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << MapCSSParser.OP_EQ) | (1 << MapCSSParser.OP_NEQ) | (1 << MapCSSParser.OP_LE) | (1 << MapCSSParser.OP_GE) | (1 << MapCSSParser.OP_LT) | (1 << MapCSSParser.OP_GT))) != 0)):
                 self._errHandler.recoverInline(self)
@@ -2304,34 +2733,34 @@ def exitRule(self, listener:ParseTreeListener):
     def valueOperator(self):
 
         localctx = MapCSSParser.ValueOperatorContext(self, self._ctx, self.state)
-        self.enterRule(localctx, 56, self.RULE_valueOperator)
+        self.enterRule(localctx, 66, self.RULE_valueOperator)
         try:
-            self.state = 277
+            self.state = 343
             self._errHandler.sync(self)
             token = self._input.LA(1)
             if token in [MapCSSParser.OP_EQ, MapCSSParser.OP_NEQ, MapCSSParser.OP_LE, MapCSSParser.OP_GE, MapCSSParser.OP_LT, MapCSSParser.OP_GT]:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 272
+                self.state = 338
                 self.numericOperator()
                 pass
             elif token in [MapCSSParser.OP_STARTS_WITH]:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 273
+                self.state = 339
                 self.match(MapCSSParser.OP_STARTS_WITH)
                 pass
             elif token in [MapCSSParser.OP_ENDS_WITH]:
                 self.enterOuterAlt(localctx, 3)
-                self.state = 274
+                self.state = 340
                 self.match(MapCSSParser.OP_ENDS_WITH)
                 pass
             elif token in [MapCSSParser.OP_SUBSTRING]:
                 self.enterOuterAlt(localctx, 4)
-                self.state = 275
+                self.state = 341
                 self.match(MapCSSParser.OP_SUBSTRING)
                 pass
             elif token in [MapCSSParser.OP_CONTAINS]:
                 self.enterOuterAlt(localctx, 5)
-                self.state = 276
+                self.state = 342
                 self.match(MapCSSParser.OP_CONTAINS)
                 pass
             else:
@@ -2376,11 +2805,11 @@ def exitRule(self, listener:ParseTreeListener):
     def regexOperator(self):
 
         localctx = MapCSSParser.RegexOperatorContext(self, self._ctx, self.state)
-        self.enterRule(localctx, 58, self.RULE_regexOperator)
+        self.enterRule(localctx, 68, self.RULE_regexOperator)
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 279
+            self.state = 345
             _la = self._input.LA(1)
             if not(_la==MapCSSParser.OP_MATCH or _la==MapCSSParser.OP_NOT_MATCH):
                 self._errHandler.recoverInline(self)
@@ -2468,66 +2897,66 @@ def booleanExpression(self, _p:int=0):
         _parentState = self.state
         localctx = MapCSSParser.BooleanExpressionContext(self, self._ctx, _parentState)
         _prevctx = localctx
-        _startState = 60
-        self.enterRecursionRule(localctx, 60, self.RULE_booleanExpression, _p)
+        _startState = 70
+        self.enterRecursionRule(localctx, 70, self.RULE_booleanExpression, _p)
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 301
+            self.state = 367
             self._errHandler.sync(self)
-            la_ = self._interp.adaptivePredict(self._input,31,self._ctx)
+            la_ = self._interp.adaptivePredict(self._input,38,self._ctx)
             if la_ == 1:
-                self.state = 282
+                self.state = 348
                 localctx.op = self.match(MapCSSParser.PAR_OPEN)
-                self.state = 283
+                self.state = 349
                 self.booleanExpression(0)
-                self.state = 284
+                self.state = 350
                 self.match(MapCSSParser.PAR_CLOSE)
                 pass
 
             elif la_ == 2:
-                self.state = 286
+                self.state = 352
                 localctx.op = self.match(MapCSSParser.OP_NOT)
-                self.state = 287
+                self.state = 353
                 self.booleanExpression(6)
                 pass
 
             elif la_ == 3:
-                self.state = 288
+                self.state = 354
                 self.valueExpression(0)
-                self.state = 289
+                self.state = 355
                 self.valueOperator()
-                self.state = 290
+                self.state = 356
                 self.valueExpression(0)
                 pass
 
             elif la_ == 4:
-                self.state = 292
+                self.state = 358
                 self.valueExpression(0)
-                self.state = 293
+                self.state = 359
                 self.regexOperator()
-                self.state = 294
+                self.state = 360
                 self.regexExpression()
                 pass
 
             elif la_ == 5:
-                self.state = 296
+                self.state = 362
                 self.regexExpression()
-                self.state = 297
+                self.state = 363
                 self.regexOperator()
-                self.state = 298
+                self.state = 364
                 self.regexExpression()
                 pass
 
             elif la_ == 6:
-                self.state = 300
+                self.state = 366
                 self.functionExpression()
                 pass
 
 
             self._ctx.stop = self._input.LT(-1)
-            self.state = 309
+            self.state = 375
             self._errHandler.sync(self)
-            _alt = self._interp.adaptivePredict(self._input,32,self._ctx)
+            _alt = self._interp.adaptivePredict(self._input,39,self._ctx)
             while _alt!=2 and _alt!=ATN.INVALID_ALT_NUMBER:
                 if _alt==1:
                     if self._parseListeners is not None:
@@ -2535,17 +2964,17 @@ def booleanExpression(self, _p:int=0):
                     _prevctx = localctx
                     localctx = MapCSSParser.BooleanExpressionContext(self, _parentctx, _parentState)
                     self.pushNewRecursionContext(localctx, _startState, self.RULE_booleanExpression)
-                    self.state = 303
+                    self.state = 369
                     if not self.precpred(self._ctx, 5):
                         from antlr4.error.Errors import FailedPredicateException
                         raise FailedPredicateException(self, "self.precpred(self._ctx, 5)")
-                    self.state = 304
+                    self.state = 370
                     self.booleanOperator()
-                    self.state = 305
+                    self.state = 371
                     self.booleanExpression(6) 
-                self.state = 311
+                self.state = 377
                 self._errHandler.sync(self)
-                _alt = self._interp.adaptivePredict(self._input,32,self._ctx)
+                _alt = self._interp.adaptivePredict(self._input,39,self._ctx)
 
         except RecognitionException as re:
             localctx.exception = re
@@ -2618,38 +3047,38 @@ def valueExpression(self, _p:int=0):
         _parentState = self.state
         localctx = MapCSSParser.ValueExpressionContext(self, self._ctx, _parentState)
         _prevctx = localctx
-        _startState = 62
-        self.enterRecursionRule(localctx, 62, self.RULE_valueExpression, _p)
+        _startState = 72
+        self.enterRecursionRule(localctx, 72, self.RULE_valueExpression, _p)
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 319
+            self.state = 385
             self._errHandler.sync(self)
-            la_ = self._interp.adaptivePredict(self._input,33,self._ctx)
+            la_ = self._interp.adaptivePredict(self._input,40,self._ctx)
             if la_ == 1:
-                self.state = 313
+                self.state = 379
                 localctx.op = self.match(MapCSSParser.PAR_OPEN)
-                self.state = 314
+                self.state = 380
                 self.valueExpression(0)
-                self.state = 315
+                self.state = 381
                 self.match(MapCSSParser.PAR_CLOSE)
                 pass
 
             elif la_ == 2:
-                self.state = 317
+                self.state = 383
                 self.primaryExpression()
                 pass
 
             elif la_ == 3:
-                self.state = 318
+                self.state = 384
                 self.functionExpression()
                 pass
 
 
             self._ctx.stop = self._input.LT(-1)
-            self.state = 326
+            self.state = 392
             self._errHandler.sync(self)
-            _alt = self._interp.adaptivePredict(self._input,34,self._ctx)
+            _alt = self._interp.adaptivePredict(self._input,41,self._ctx)
             while _alt!=2 and _alt!=ATN.INVALID_ALT_NUMBER:
                 if _alt==1:
                     if self._parseListeners is not None:
@@ -2657,11 +3086,11 @@ def valueExpression(self, _p:int=0):
                     _prevctx = localctx
                     localctx = MapCSSParser.ValueExpressionContext(self, _parentctx, _parentState)
                     self.pushNewRecursionContext(localctx, _startState, self.RULE_valueExpression)
-                    self.state = 321
+                    self.state = 387
                     if not self.precpred(self._ctx, 3):
                         from antlr4.error.Errors import FailedPredicateException
                         raise FailedPredicateException(self, "self.precpred(self._ctx, 3)")
-                    self.state = 322
+                    self.state = 388
                     localctx.op = self._input.LT(1)
                     _la = self._input.LA(1)
                     if not((((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << MapCSSParser.OP_MUL) | (1 << MapCSSParser.OP_DIV) | (1 << MapCSSParser.OP_MOD) | (1 << MapCSSParser.OP_PLUS) | (1 << MapCSSParser.OP_MINUS))) != 0)):
@@ -2669,11 +3098,11 @@ def valueExpression(self, _p:int=0):
                     else:
                         self._errHandler.reportMatch(self)
                         self.consume()
-                    self.state = 323
+                    self.state = 389
                     self.valueExpression(4) 
-                self.state = 328
+                self.state = 394
                 self._errHandler.sync(self)
-                _alt = self._interp.adaptivePredict(self._input,34,self._ctx)
+                _alt = self._interp.adaptivePredict(self._input,41,self._ctx)
 
         except RecognitionException as re:
             localctx.exception = re
@@ -2715,19 +3144,19 @@ def exitRule(self, listener:ParseTreeListener):
     def regexExpression(self):
 
         localctx = MapCSSParser.RegexExpressionContext(self, self._ctx, self.state)
-        self.enterRule(localctx, 64, self.RULE_regexExpression)
+        self.enterRule(localctx, 74, self.RULE_regexExpression)
         try:
-            self.state = 331
+            self.state = 397
             self._errHandler.sync(self)
             token = self._input.LA(1)
             if token in [MapCSSParser.DQUOTED_STRING, MapCSSParser.SQUOTED_STRING]:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 329
+                self.state = 395
                 self.quoted()
                 pass
             elif token in [MapCSSParser.REGEXP]:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 330
+                self.state = 396
                 self.match(MapCSSParser.REGEXP)
                 pass
             else:
@@ -2790,35 +3219,35 @@ def exitRule(self, listener:ParseTreeListener):
     def functionExpression(self):
 
         localctx = MapCSSParser.FunctionExpressionContext(self, self._ctx, self.state)
-        self.enterRule(localctx, 66, self.RULE_functionExpression)
+        self.enterRule(localctx, 76, self.RULE_functionExpression)
         self._la = 0 # Token type
         try:
             self.enterOuterAlt(localctx, 1)
-            self.state = 333
+            self.state = 399
             localctx.f = self.cssident()
-            self.state = 334
+            self.state = 400
             self.match(MapCSSParser.PAR_OPEN)
-            self.state = 343
+            self.state = 409
             self._errHandler.sync(self)
             _la = self._input.LA(1)
             if (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << MapCSSParser.PAR_OPEN) | (1 << MapCSSParser.OP_MUL) | (1 << MapCSSParser.OP_MINUS) | (1 << MapCSSParser.NCOMPONENT) | (1 << MapCSSParser.DQUOTED_STRING) | (1 << MapCSSParser.SQUOTED_STRING) | (1 << MapCSSParser.POSITIVE_INT) | (1 << MapCSSParser.NEGATIVE_INT) | (1 << MapCSSParser.POSITIVE_FLOAT) | (1 << MapCSSParser.NEGATIVE_FLOAT))) != 0):
-                self.state = 335
+                self.state = 401
                 self.valueExpression(0)
-                self.state = 340
+                self.state = 406
                 self._errHandler.sync(self)
                 _la = self._input.LA(1)
                 while _la==MapCSSParser.COMMA:
-                    self.state = 336
+                    self.state = 402
                     self.match(MapCSSParser.COMMA)
-                    self.state = 337
+                    self.state = 403
                     self.valueExpression(0)
-                    self.state = 342
+                    self.state = 408
                     self._errHandler.sync(self)
                     _la = self._input.LA(1)
 
 
 
-            self.state = 345
+            self.state = 411
             self.match(MapCSSParser.PAR_CLOSE)
         except RecognitionException as re:
             localctx.exception = re
@@ -2881,69 +3310,69 @@ def exitRule(self, listener:ParseTreeListener):
     def primaryExpression(self):
 
         localctx = MapCSSParser.PrimaryExpressionContext(self, self._ctx, self.state)
-        self.enterRule(localctx, 68, self.RULE_primaryExpression)
+        self.enterRule(localctx, 78, self.RULE_primaryExpression)
         self._la = 0 # Token type
         try:
-            self.state = 361
+            self.state = 427
             self._errHandler.sync(self)
-            la_ = self._interp.adaptivePredict(self._input,40,self._ctx)
+            la_ = self._interp.adaptivePredict(self._input,47,self._ctx)
             if la_ == 1:
                 self.enterOuterAlt(localctx, 1)
-                self.state = 347
+                self.state = 413
                 localctx.v = self.match(MapCSSParser.POSITIVE_FLOAT)
                 pass
 
             elif la_ == 2:
                 self.enterOuterAlt(localctx, 2)
-                self.state = 348
+                self.state = 414
                 localctx.v = self.match(MapCSSParser.POSITIVE_INT)
                 pass
 
             elif la_ == 3:
                 self.enterOuterAlt(localctx, 3)
-                self.state = 349
+                self.state = 415
                 localctx.v = self.match(MapCSSParser.NEGATIVE_FLOAT)
                 pass
 
             elif la_ == 4:
                 self.enterOuterAlt(localctx, 4)
-                self.state = 350
+                self.state = 416
                 localctx.v = self.match(MapCSSParser.NEGATIVE_INT)
                 pass
 
             elif la_ == 5:
                 self.enterOuterAlt(localctx, 5)
-                self.state = 352
+                self.state = 418
                 self._errHandler.sync(self)
                 _la = self._input.LA(1)
                 if _la==MapCSSParser.OP_MUL:
-                    self.state = 351
+                    self.state = 417
                     self.match(MapCSSParser.OP_MUL)
 
 
-                self.state = 354
+                self.state = 420
                 self.quoted()
                 pass
 
             elif la_ == 6:
                 self.enterOuterAlt(localctx, 6)
-                self.state = 356
+                self.state = 422
                 self._errHandler.sync(self)
                 _la = self._input.LA(1)
                 if _la==MapCSSParser.OP_MUL:
-                    self.state = 355
+                    self.state = 421
                     self.match(MapCSSParser.OP_MUL)
 
 
-                self.state = 358
+                self.state = 424
                 self.osmtag()
                 pass
 
             elif la_ == 7:
                 self.enterOuterAlt(localctx, 7)
-                self.state = 359
+                self.state = 425
                 self.match(MapCSSParser.OP_MUL)
-                self.state = 360
+                self.state = 426
                 self.regexExpression()
                 pass
 
@@ -2961,8 +3390,8 @@ def primaryExpression(self):
     def sempred(self, localctx:RuleContext, ruleIndex:int, predIndex:int):
         if self._predicates == None:
             self._predicates = dict()
-        self._predicates[30] = self.booleanExpression_sempred
-        self._predicates[31] = self.valueExpression_sempred
+        self._predicates[35] = self.booleanExpression_sempred
+        self._predicates[36] = self.valueExpression_sempred
         pred = self._predicates.get(ruleIndex, None)
         if pred is None:
             raise Exception("No predicate with index:" + str(ruleIndex))