div.container{width:972px;}.grid-1{width:81px;}.grid-2{width:162px;}.grid-3{width:243px;}.grid-4{width:324px;}.grid-5{width:405px;}.grid-6{width:486px;}.grid-7{width:567px;}.grid-8{width:648px;}.grid-9{width:729px;}.grid-10{width:810px;}.grid-11{width:891px;}.grid-12{width:972px;}