#site_center {text-align:center;}
#main {width:900px; margin:0 auto; text-align:left;}

#header {height:470px;}

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

/*======= index.html =======*/
#content .col_1 {width:593px;}
#content .col_2 { width:271px;}


/*=========================*/


#footer {height:85px;}