diff --git a/Leaflet.PithEstimate.js b/Leaflet.PithEstimate.js
index abed716..e7769af 100644
--- a/Leaflet.PithEstimate.js
+++ b/Leaflet.PithEstimate.js
@@ -1079,8 +1079,8 @@ function NewCcmEstimate(Inte) {
  * @param {object} Inte - PithEstimateInterface object. Allows access to all other tools.
  */
 function NewCcmEstimateDialog(Inte) {
-    let minWidth = 320;
-    let minHeight = 500;
+    let minWidth = 324;
+    let minHeight = 400;
     this.size = [minWidth, minHeight];
     this.anchor = [50, 0];
     
@@ -1146,6 +1146,12 @@ function NewCcmEstimateDialog(Inte) {
     }
 
     NewCcmEstimateDialog.prototype.createEventListeners = function() {
+        $("#PithEstimate-instruction-button").on("click", () => {
+            $("#PithEstimate-instruction-container").toggle();
+            $("#PithEstimate-instruction-icon-plus").toggle();
+            $("#PithEstimate-instruction-icon-minus").toggle();
+        });
+
         $("#PithEstimate-numShownCircles-input").on("input", () => {
             Inte.newCcmEstimate.numShownCircles = $("#PithEstimate-numShownCircles-input").val();
             
diff --git a/Style.PithEstimate.css b/Style.PithEstimate.css
index b118b12..da86f3d 100644
--- a/Style.PithEstimate.css
+++ b/Style.PithEstimate.css
@@ -26,7 +26,7 @@
 }
 
 .PithEstimate-table th {
-    background-color: #d9f0a3;
+    background-color: #eeffc6;
 }
 
 .PithEstimate-table tr:nth-child(even) {
@@ -158,3 +158,27 @@
     font-weight: normal;
 }
 
+.PithEstimate-text-background {
+    background-color: #f3f3f3; 
+    border-radius: 10px; 
+    margin-bottom: 8px; 
+    padding: 6px;
+}
+
+.PithEstimate-instruction-text {
+    margin-bottom: 6px;
+}
+
+#PithEstimate-instruction-button {
+    border: none;
+    border-radius: 4px;
+    background-color: #eeffc6;
+
+    font-weight: bold;
+
+    margin-bottom: 6px;
+}
+
+#PithEstimate-instruction-button:hover {
+    background-color: #e1fca4;
+}
\ No newline at end of file
diff --git a/Template.PithEstimate.html b/Template.PithEstimate.html
index 1987669..5b7caf0 100644
--- a/Template.PithEstimate.html
+++ b/Template.PithEstimate.html
@@ -88,9 +88,32 @@
         </p>
         <p class="PithEstimate-instruction-text">
             Estimate pith offset dynamically using concentric circles, after Applequist 1958, <em>Journal of Forestry.</em> <br>
-            <em>See instructions below.</em>
         </p>
-        <div style="background-color: #f3f3f3; border-radius: 10px; margin-bottom: 8px; padding: 6px;">
+
+        <div class="PithEstimate-container" style="align-items: center;">
+            <button id="PithEstimate-instruction-button">
+                Instructions
+                <i id="PithEstimate-instruction-icon-plus" class="fa fa-plus" aria-hidden="true"></i>
+                <i id="PithEstimate-instruction-icon-minus" class="fa fa-minus" aria-hidden="true" hidden></i>
+            </button>
+            <div id="PithEstimate-instruction-container" class="PithEstimate-text-background" hidden>
+                <p class="PithEstimate-instruction-text">
+                    <b>1)</b> Click to place the estimated pith location marker. 
+                </p>
+                <p class="PithEstimate-instruction-text">
+                    <b>2)</b> Move pith marker using WASD keys, carefully aligning circle curvature to match curvature of annual ring boundaries.
+                </p>
+                <p class="PithEstimate-instruction-text">
+                    <b>3)</b> Adjust the number of rings from which the growth rate is calculated, as needed. 
+                    *Results appear in the table below; the default of ten rings is only a suggested starting place.
+                </p>
+                <p class="PithEstimate-instruction-text">
+                    <b>4)</b> Click confirm to update metadata.
+                </p>
+            </div>
+        </div>
+
+        <div class="PithEstimate-text-background">
             <div class="PithEstimate-ccmOptions-div">
                 <span style="font-style: italic;">Number of rings used for estimation: </span>
                 <input type="number" style="width:50px; text-align: right;" min="2" value="{{numShownCircles}}" id="PithEstimate-numShownCircles-input">
@@ -125,30 +148,30 @@
             </div>
         </div>
 
-        <table class="PithEstimate-table PithEstimate-vertical-headers" style="margin: 8px 0;">
+        <table class="PithEstimate-table" style="margin: 8px 0;">
+            <tr><th>Attribute</th><th>Present</th><th>Est. Missing</th><th>Est. Total</th></tr>
+            <tr>
+                <td>Radius</td><td></td><td></td><td></td>
+            </tr>
+            <tr>
+                <td>Years</td><td></td><td></td><td></td>
+            </tr>
+            <tr>
+                <td>Radius %</td><td></td><td></td><td></td>
+            </tr>
+            <tr>
+                <td>Years %</td><td></td><td></td><td></td>
+            </tr>
+        </table>
+
+        <!-- <table class="PithEstimate-table PithEstimate-vertical-headers" style="margin: 8px 0;">
             <tr><th>Pith Distance</th><td>{{pithDistance}} mm</td></tr>
             <tr><th style="background-color: #c2e07d;">Number Years Estimated</th><td>{{numYearEst}}</td></tr>
             <tr><th>Inner Year Estimate</th><td>{{innerYearEst}}</td></tr>
-            <tr><th style="background-color: #c2e07d;">Missing Radius Length</th><td>{{missingRadiusLen}} mm</td></tr>
+            <tr><th style="background-color: #c2e07d;">Missing Sum of Widths</th><td>{{missingRadiusLen}} mm</td></tr>
             <tr><th>Missing Radius %</th><td>{{missingRadiusPercent}} %</td></tr>
             <tr><th style="background-color: #c2e07d;">Rings / Age %</th><td>{{agePresentPercent}} % present <br> {{ageEstimatedPercent}} % estimated</td></tr>
             <tr><th>Distance %</th><td>{{distancePresentPercent}} % present <br> {{distanceEstimatedPercent}} % estimated</td></tr>
-        </table>
-        <p class="PithEstimate-title" style="background-color: white;">
-            Instructions:
-        </p>
-        <p class="PithEstimate-instruction-text">
-            <b>1)</b> Click to place the estimated pith location marker. 
-        </p>
-        <p class="PithEstimate-instruction-text">
-            <b>2)</b> Move pith marker using WASD keys, carefully aligning circle curvature to match curvature of annual ring boundaries.
-        </p>
-        <p class="PithEstimate-instruction-text">
-            <b>3)</b> Adjust the number of rings from which the growth rate is calculated, as needed. 
-            *Results appear in the table below; the default of ten rings is only a suggested starting place.
-        </p>
-        <p class="PithEstimate-instruction-text">
-            <b>4)</b> Click confirm to update metadata.
-        </p>
+        </table> -->
     </div>  
 </script>
\ No newline at end of file
diff --git a/_site/leaflet-treering.js b/_site/leaflet-treering.js
index c7a1d71..3109220 100644
--- a/_site/leaflet-treering.js
+++ b/_site/leaflet-treering.js
@@ -155,7 +155,7 @@ function LTreering (viewer, basePath, options, base_layer, gl_layer, fullJSON) {
     $(map.getContainer()).css('cursor', 'default');
 
     L.control.layers(this.baseLayer, this.overlay).addTo(this.viewer);
-    $(".leaflet-control-layers-selector")[0].click();
+    //$(".leaflet-control-layers-selector")[0].click();
 
     // if popout is opened display measuring tools
     if (window.name.includes('popout')) {
diff --git a/leaflet-treering.js b/leaflet-treering.js
index c7a1d71..3109220 100644
--- a/leaflet-treering.js
+++ b/leaflet-treering.js
@@ -155,7 +155,7 @@ function LTreering (viewer, basePath, options, base_layer, gl_layer, fullJSON) {
     $(map.getContainer()).css('cursor', 'default');
 
     L.control.layers(this.baseLayer, this.overlay).addTo(this.viewer);
-    $(".leaflet-control-layers-selector")[0].click();
+    //$(".leaflet-control-layers-selector")[0].click();
 
     // if popout is opened display measuring tools
     if (window.name.includes('popout')) {