.site_center {text-align:center;}
.main {margin:0 auto; width:898px; text-align:left;}


.col_1, .col_2, .col_3, .col_box_1, .col_box_2{ float: left;}

.content { min-height: 630px }
.content .col_1{width: 223px; padding: 15px 20px 18px; }
.content .col_2, .content .col_2 .col_box_row{width: 635px; padding-top:10px; }
.content .col_2 .col_box {width: 700px; }