#drop_down_container {
  width: 150px;
  height: 24px;
  position: relative;
}
  #drop_down_container a {
    display: block;
    background-color: #fff;
    color: #000;
    width: 134px;
    height: 14px;
    padding: 5px 8px;
    position: absolute;
    top: 0;
    z-index: 1;
    text-decoration: none;
    border-bottom: none;
  }
    #drop_down_container a:hover {
      color: #FFF;
      background-color: #8b8b8b;
    }
    #drop_down_container a#arrow,
    #drop_down_container a img {
      position: absolute;
      right: 0;
      top: 0;
      z-index: 1000;
      padding: 5px;
      text-decoration: none;
      border-bottom: none;
      margin-top: -5px;
    }
      #drop_down_container a.selected img { display: none; }
    #drop_down_container a#arrow {
      width:            16px;
      height:           14px;
      background-color: #5b5b5b;
      color:            #000;
      margin-top:       0;
    }
      #drop_down_container a#arrow img {
        margin-top:   0;
        margin-right: 1px;
      }
    #drop_down_container a:hover#arrow {
      background-color: #8b8b8b;
      text-decoration: none;
      border-bottom: none;
    }
      #drop_down_container #arrow.hover {
        background-color: #8b8b8b;
        text-decoration: none;
        border-bottom: none;
      }
      #drop_down_container #arrow.off {
        background-color: #5b5b5b;
        text-decoration: none;
        border-bottom: none;
      }
    #drop_down_container .selected { z-index: 2; }