
.tool {
  position: fixed;
  bottom: 50px;
  right: 50px;
  width: 46px;
  z-index: 999;
  > a {
    display: block;
    width: 48px;
    height: 46px;
    margin-bottom: 10px;
    background-image: url(../images/newtools.png);
    border: 1px solid #ddd
  }
  a:last-child {
    margin-bottom: 0;
  }
  .go-top {
    background-position: 0 0;
    display: none;
    &:hover {
      background-position: 0 -46px;
    }
  }
  .admin-view{
    background-position: 0 -92px;
    &:hover {
      background-position: 0 -137px;
    }
  }

}