div.extras {margin:0 0 16px;}
div.extras div.comments {background:#fff;width:642px;padding:24px 10px 23px;min-height:477px;float:left;}

div.extras div.social {width:265px!important;background:#fff;padding:24px 10px 17px;margin:16px 0 0 13px!important;min-height:129px!important;float:right;}
div.extras div.social ul li.left {float:left;}
div.extras div.social ul li.right {float:right;margin:0 0 0 -20px;}