Adding missing code to make toolbar be fixed on top/bottom of the screen for iOS devices.

This commit complements 9ccaeb5.

src/static/css/pad.css

@@ -216,6 +216,10 @@ li[data-key=showusers] > a #online_count {
   right: 0px;
   bottom: 0px;
   z-index: 1;
+
+  /* Required to fix toolbar on top/bottom of the screen on iOS: */
+  overflow: scroll;
+  -webkit-overflow-scrolling: touch;
 }
 #editorcontainer iframe {
   height: 100%;