.UIBackTopTopControl {
    background: rgba(0, 0, 0, 0) url("images/up.png") no-repeat scroll center center;
    bottom: 135px;
    height: 50px;
    position: fixed;
    right: 60px;
    width: 50px;
    z-index: 10;
}
@media only screen and (max-width: 768px){
.UIBackTopTopControl {
    display: none;
}
}