div.container{width:1680px}.grid-1{width:140px}.grid-2{width:280px}.grid-3{width:420px}.grid-4{width:560px}.grid-5{width:700px}.grid-6{width:840px}.grid-7{width:980px}.grid-8{width:1120px}.grid-9{width:1260px}.grid-10{width:1400px}.grid-11{width:1540px}.grid-12{width:1680px}