#main_all {
	float:left;
	width: 915px;
	padding: 0 20px 20px 20px;
	background: #fff;
}

#main_all div {
	float:left;
	width: 348px;
	padding: 20px;
	margin: 10px;
	background:#647D8F;
	color: #fff;
}

#main_all div a {
	color: #fff;
}

#main_l {
    float: left;
    width: 545px;
    padding: 20px 20px 0px 20px;
    background: #fff;
}

#main_r {
    float: left;
    width: 329px;
    border: none;
    padding: 20px 20px 0px 20px;
    background: #fff;
}