.UIBackTopTopControl {
    background: rgba(0, 0, 0, 0) url("Images/top.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 !important;
}   
}