Usertests: explicitly mark the 'switch layers' button in special interactions, see #1316

public/css/index-tailwind-output.css

@@ -804,6 +804,11 @@ video {
   margin-right: 0.25rem;
 }
 
+.mx-2 {
+  margin-left: 0.5rem;
+  margin-right: 0.5rem;
+}
+
 .my-4 {
   margin-top: 1rem;
   margin-bottom: 1rem;
@@ -1242,27 +1247,6 @@ video {
           animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
 }
 
-@-webkit-keyframes ping {
-  75%, 100% {
-    -webkit-transform: scale(2);
-            transform: scale(2);
-    opacity: 0;
-  }
-}
-
-@keyframes ping {
-  75%, 100% {
-    -webkit-transform: scale(2);
-            transform: scale(2);
-    opacity: 0;
-  }
-}
-
-.animate-ping {
-  -webkit-animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
-          animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
-}
-
 .cursor-pointer {
   cursor: pointer;
 }