@charset "utf-8";
.about{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	max-height:100%;
}
.about img{max-width:100%;height:auto;}
.work{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	margin-top:20px;
	margin-bottom:20px;
}
.work_tb{
	display:block;
	width:25%;
	height:auto;
	overflow:hidden;
	margin-right:10px;
}
.work_pic{
	display:block;
	width:auto;
	height:auto;
	padding-bottom:75%;
	overflow:hidden;
	margin:auto;
	border:1px solid #ddd;
	position:relative;
	background-size:cover;
	background-repeat:no-repeat;
	background-position:top center;
}