.vid-thumb{
    margin-bottom: 10px;
    position: relative;
}
	.vid-thumb img{width:100%;}
	.vid-thumb .playbut{
		display: inline-block;
		top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);
		position: absolute;
	}
		.vid-thumb .playbut img{
			width: 35px;
		}