diff --git a/platform/commonUI/general/res/sass/overlay/_overlay.scss b/platform/commonUI/general/res/sass/overlay/_overlay.scss
index 018197dac0..34bd1fd46f 100644
--- a/platform/commonUI/general/res/sass/overlay/_overlay.scss
+++ b/platform/commonUI/general/res/sass/overlay/_overlay.scss
@@ -19,8 +19,18 @@
  * this source code distribution or the Licensing information page available
  * at runtime from the About dialog for additional information.
  *****************************************************************************/
+
 .overlay {
     font-size: 90%;
+    z-index: 5;
+    @include keyframes(fadeInFromNone) {
+        0% { display: none; opacity: 0; }
+        1% { display: block; opacity: 0; }
+        95% { display: block; opacity: 0; }
+        100% { display: block; opacity: 1; }
+    }
+    @include animation(fadeInFromNone 100ms ease-in);
+
     .blocker {
         background: $colorOvrBlocker;
         z-index: 100;