#rocket-to-top div {
    left: 0;
    margin: 0;
    overflow: hidden;
    padding: 0;
    position: absolute;
    top: 0;
    width: 45px;
    height: 100px;
}
#rocket-to-top .level-3 {
    background: url("../img/up-1.png") no-repeat scroll 0 0 transparent;
    cursor: pointer;
    display: block;
    height: 70px;
    z-index: 2;
}
#rocket-to-top .level-3:hover{
    background: url("../img/up-2.png") no-repeat scroll 0 0 transparent;

}
#rocket-to-top {
    cursor: default;
    display: block;
    height: 100px;
    overflow: hidden;
    padding: 0;
    position: fixed;
    right: 40px;
    top: 80%;
    width: 45px;
    z-index: 11;
}