#table-boundingBox{
  border-collapse:collapse; 

  padding:5px;
  border:1px solid #999;
  box-shadow: 0 0 2px #999;
}
#table-boundingBox th{
  background: #666;
  color:#fff;
  cursor:pointer;
  position: relative;
}
#table-boundingBox th,
#table-boundingBox td{
  width:100px;
  line-height: 25px;
  text-align: center;
}
#table-boundingBox td{
  border:1px solid #999;
}
#table-boundingBox th em {
  position: absolute;
}
#table-boundingBox th em.top{
  width: 0;
  height: 0;
  border-left:5px solid transparent;
  border-right:5px solid transparent;
  border-bottom: 8px solid #eee;
  right:5px;
  top:2px;
}
#table-boundingBox th em.bottom{
  width: 0;
  height: 0;
  border-left:5px solid transparent;
  border-right:5px solid transparent;
  border-top: 8px solid #eee;
  right:5px;
  bottom:2px;
}