.filterMenu{box-shadow:0 0 10px rgba(68,68,68,.2)}.filterMenu:before{top:-10px;right:30px;border-left:10px solid transparent;border-right:10px solid transparent;border-bottom:10px solid #fff;z-index:2}.filterMenu:after,.filterMenu:before{position:absolute;content:"";width:0;height:0}.filterMenu:after{top:-2px;right:25px;transform:rotate(45deg);border-left:12px solid transparent;border-right:12px solid transparent;box-shadow:0 0 10px rgba(68,68,68,.2);border-bottom:12px solid rgba(68,68,68,.07);z-index:-1}.helper{position:absolute;top:0;right:0;width:100px;height:40px;z-index:3;background-color:#fff}