.act_video{
	max-width:680px;
	padding:20px 10px;
	margin:0 auto;
}
.act_video video{
	width:100%;
}

.act_video button{
	display:block;
	width:80px;
	height:80px;
	border:0;
	padding:0;
	margin:0;
	outline:none;
	background:url(../img/video_play.png) no-repeat;
	position:absolute;
	left:50%;
	top:50%;
	transform:translate(-50%,-50%);
	z-index:3;
	opacity:.8;
	cursor:pointer;
}
.act_video:hover button{
	opacity:1;
}
.act_video_play button{
	display:none;
}