Fixed text shadow in overlayAction buttons.

src/styles/components/_audiovideo.scss

@@ -159,7 +159,7 @@
 }
 
 .audiovideo {
-	
+
 	.remoteVideo {
 		display: inline-block;
 		width:100%;
@@ -243,7 +243,6 @@
 	width:40px;
 	padding:3px 0;
 	background: rgba(0,0,0,0.2);
-	text-shadow: 0 0 5px black;
 	z-index:5;
 	opacity:0;
 
@@ -252,6 +251,7 @@
 		display: block;
 		color:#ccc;
 		cursor:pointer;
+		text-shadow: 0 0 5px black;
 	}
 }