.popbox {
  margin:0;
}

  .collapse {position:relative; }

    .box { width:300px; margin:0 0 0 -85px; padding:0;
      display:block;
      display:none;
      background:#FFF;
      border:solid 1px #BBBBBB;
      border-radius:5px;
      box-shadow:0px 0px 15px #999;
      position:absolute;
    }

      .arrow {
      	width: 0;
      	height: 0;
      	border-left: 11px solid transparent;
      	border-right: 11px solid transparent;
      	border-bottom: 11px solid #FFF;
      	position:absolute;
      	left:1px;
      	top:-10px;
      	z-index:1001;
      }

      .arrow-border {
      	width: 0;
      	height: 0;
      	border-left: 11px solid transparent;
      	border-right: 11px solid transparent;
      	border-bottom: 11px solid #BBBBBB;
      	position:absolute;
      	top:-12px;
      	z-index:1000;
      }