.portfolio_show{  height:auto; margin-bottom:12px;color:#a1a1a1}
.portfolio_show .left{float:left; width:55px; height:280px; }
.portfolio_show .right{ float:right; width:56px; height:280px;}
.portfolio_show .left img{}
.portfolio_show .right img{ }


.item {
   margin:0px;padding:0px;float: left; display: inline;width:700px;height:auto;
}