Merge remote-tracking branch 'jhung/FLUID-5310'

* jhung/FLUID-5310:
  FLUID-5310: Added dimensions to hidden panel so star button renders in Safari.

src/components/overviewPanel/css/OverviewPanel.css

@@ -107,7 +107,10 @@
 /* Demo Menu Visibility */
 
 .fl-overviewPanel-container.fl-overviewPanel-hidden{
-    width: 0;
+    width: 2.4em;
+    height: 3.2em; /* make the hidden container the same size as the star button. This way the star button 
+                      appears properly and the hidden container doesn't block interaction with content below it. */
+    overflow: hidden;
 }
 
 .fl-overviewPanel-hidden .fl-overviewPanel {