.contents-box{
	width:800px;
	margin:0 auto;
}
.left-box{
	width:200px;
	height:100px;
	padding:10px;
	background:#cb8066;
	margin-right:20px;
	
	float:left;
}
/* 推奨環境部分 */
.left-box2{
	width:200px;
	height:200px;
	padding:10px;
	background:#cb8066;
	margin-right:20px;
	
	float:left;
}
h3{
	font-size:13px;
	color:#fff;
}