.controlBox{
    width: 260px;
    height: auto;
   margin: 10px auto;
}
.controlBox .scrollbar{
    position: relative;
    width: 100%;
    height: 8px;
    background: #ccc;
    border-radius: 8px;
}
.controlBox .scrollbar .thumb{
    position: absolute;
    top: 0px;
    left: 0;
    width: 15px;
    height: 8px;
    background-color:#7d7c7c;
    background-image: url("../image/bar_bg.png");
    background-position: center center;
    background-repeat:no-repeat;
    border-radius:8px;
}
.controlBox .scrollbar .thumb:hover{
    cursor: all-scroll;
}

.scrollItem{
   /* position: absolute;
    top: 0px;
    left: 0;*/
}