.one_oneth{position:relative;width:100%;float:left}.one_half{position:relative;width:50%;float:left}.one_third{position:relative;width:33%;float:left;bottom:20px}.one_fourth{position:relative;width:25%;float:left}.three_fourth{position:relative;width:75%;float:left}.two_third{position:relative;width:67%;float:left}.last{clear:right}.vertical_sep{width:2px;height:auto;float:right;background:url(../img/linedividerv.png) repeat-y;padding:0 5px}