.grater-container{width:640px;margin:0 auto}@media all and (max-width: 660px){.grater-container{width:300px}}.grater{zoom:1}.grater>div{width:300px;margin:0 0 2em}.grater>div:first-child{float:left}.grater>div:last-child{float:right}.grater.reverse>div:first-child{float:right}.grater.reverse>div:last-child{float:left}.grater:before,.grater:after{content:"";display:table}.grater:after{clear:both}@media all and (max-width: 660px){.grater{margin-bottom:1em}.grater>div{float:none !important;margin:0 auto 2em}}