section{
	padding: 10px;
}
section video{
	width: 100%;
	height:144px;
	background: #000;
	margin-bottom: 10px;
}
.main{
	padding: 10px;
	background: #fff;
	border-radius: 5px;
}
h4{
	font-weight: 500;
	padding-bottom:10px;
	border-bottom: 1px solid #EDEDED;
}
ol{
	font-size: 14px;
	padding-left: 20px;
}
ol li{
	margin: 10px 0;
}