.ds-3col-stacked-fluid>.group-header{clear:both}.ds-3col-stacked-fluid>.group-left{width:25%;float:left}.ds-3col-stacked-fluid>.group-middle{width:100%;float:left}.ds-3col-stacked-fluid.group-one-sidebar>.group-middle{width:75%}.ds-3col-stacked-fluid.group-two-sidebars>.group-middle{width:50%}.ds-3col-stacked-fluid>.group-right{width:25%;float:right}.ds-3col-stacked-fluid>.group-footer{clear:both}