.section{clear:both;margin:10px;padding:0px}.col{background:#eee;display:block;float:left;margin:1% 0 1% 1.6%}.col:first-child{margin-left:0 !important}.row:before,.row:after{content:"";display:table}.row:after{clear:both}.row{zoom:1}.grid_1_of_4{width:23.8%}.grid_2_of_4{width:49.2%}.grid_3_of_4{width:74.6%}.grid_4_of_4{width:100%}@media only screen and (max-width:768px){.col{margin:1% 0 1% 0%}[class*='grid_']{width:100%}}