code blocks in dropdowns

docs/src/snap/howto/storage/cloud.md

@@ -27,6 +27,7 @@ attach the role to the instance.
 For a control plane node:
 
 ```{dropdown} Control Plane Policies
+```json
 {
   "Version": "2012-10-17",
   "Statement": [
@@ -99,9 +100,12 @@ For a control plane node:
 }
 ```
 
+```
+
 For a worker node:
 
 ```{dropdown} Worker Policies
+```json
 {
   "Version": "2012-10-17",
   "Statement": [
@@ -124,6 +128,8 @@ For a worker node:
 }
 ```
 
+```
+
 
 ## Set your host name
 
@@ -181,6 +187,7 @@ Here is a YAML definition file that sets appropriate defaults for you, it
 configures the necessary service accounts, roles, and daemonsets:
 
 ```{dropdown} CCM deployment manifest
+```yaml
 ---
 apiVersion: apps/v1
 kind: DaemonSet
@@ -353,6 +360,8 @@ subjects:
     namespace: kube-system
 ```
 
+```
+
 After a moment, you should see the cloud controller manager pod was
 successfully deployed.