[#246] removed mistake

demos/semantic_video/style.css

@@ -8,7 +8,7 @@ dl, dt, dd, ol, ul, li,
 fieldset, form, label, legend,
 table, caption, tbody, tfoot, thead, tr, th, td {
 	margin: 0;
-	padding: 0;video-div
+	padding: 0;
 	border: 0;
 	outline: 0;
 	font-size: 100%;