.rows_block{font-size:0;margin:0 -6px}.rows_block:after,.rows_block:before{display:table;content:" "}.rows_block:after{clear:both}.rows_block *{box-sizing:border-box;-moz-box-sizing:border-box;-o-box-sizing:border-box;-webkit-box-sizing:border-box}.rows_block .item_block{display:inline-block;vertical-align:top;padding:6px 6px}.rows_block .col-80{width:80%}.rows_block .col-75{width:75%}.rows_block .col-66{width:66.66%}.rows_block .col-5{width:20%}.rows_block .col-4{width:25%}.rows_block .col-3{width:33.33%}.rows_block .col-2{width:50%}.rows_block .col-1{width:100%}@media (max-width:1100px){.rows_block .col-4{width:33%}}@media all and (max-width:770px){.rows_block .item_block{width:50%}}@media all and (max-width:520px){.rows_block .item_block{width:100%}}