noSelect class for disabling selecting items.

frontend/styles/global.scss

@@ -137,7 +137,14 @@ h4 {
   }
 }
 
-
+.noSelect {
+  -webkit-touch-callout: none; /* iOS Safari */
+    -webkit-user-select: none; /* Safari */
+     -khtml-user-select: none; /* Konqueror HTML */
+       -moz-user-select: none; /* Old versions of Firefox */
+        -ms-user-select: none; /* Internet Explorer/Edge */
+            user-select: none; /* Non-prefixed version, currently */
+}
 
 // Colors
 .bg-green {