.UIBackTopTopControl {
    background: rgba(0, 0, 0, 0) url("images/top1.png") no-repeat scroll center center;
    bottom: 15%;
    height: 40px;
    position: fixed;
    right: 2%;
    width: 40px;
    z-index: 10;
        filter: invert(48%) sepia(77%) saturate(1850%) hue-rotate(350deg) brightness(95%) contrast(92%);
}