.anitem {
    height:58px;
    background:#eee;
    border-top: 1px solid #bbb;
    border-bottom: 1px solid #fff;
    padding:20px;
    color:000;
    font-family: Helvetica,Arial, Verdana,sans-serif;
    -webkit-transition: all 1000ms;
}
.anitem.current-last{
    background: #99d;
}
#auto_scroll {
    width:300px;
    height:300px;
    overflow:auto;
}