Improved overlaybar styles to match 20px line height.

src/styles/global/_overlaybar.scss

@@ -49,7 +49,7 @@
     margin-top: 2px;
   }
   label {
-    padding-top: 7px !important;
+    padding-top: 6px !important;
   }
 }
 
@@ -74,7 +74,7 @@
     top: 0px;
     left: 3px;
     opacity: .7;
-    padding: 6px;
+    padding: 4px 6px;
     position: absolute;
     pointer-events: auto;
     vertical-align: middle;