Tooltip: Don't use rgba() for solid colors in video player demo

Fixes a display issue in IE8.

Author: scottgonzalez

demos/tooltip/video-player.html

@@ -19,13 +19,13 @@
 		width: 500px;
 		height: 300px;
 		border: 2px groove gray;
-		background: rgb(200, 200, 200);
+		background: #ccc;
 		text-align: center;
 		line-height: 300px;
 	}
 	.ui-tooltip {
 		border: 1px solid white;
-		background: rgba(20, 20, 20, 1);
+		background: #111;
 		color: white;
 	}
 	.ui-menu {