.i_row{margin:0 auto;width:1100px}.i_row:after{content:"";clear:both;display:block}.i_padding{padding:0 10px}@media only screen and (max-width:960px){.i_row{width:100%}}#content_left{width:58%;float:left}#content_center{height:20px;width:4%;float:left}#content_right{width:38%;float:left}#content_right img{width:100%;display:block}@media only screen and (max-width:768px){#content_center,#content_left,#content_right{width:100%}}