#cols {
   display:none;
   position:fixed;
   top:50%;
   left:0;
   margin-top:-60px;
   width:40px;
   background:rgba(255,255,255,0.9);
   border:solid 1px #fff;
   color:#c10000;
   padding:2px;
   border-radius:0 15px 15px 0
   }
#cols h4 {margin:0}