#TOTOP {
width: auto;
height: auto;
background:none;
}

#TOTOP a {
float: right;
display: block;
width: 135px;
height: 44px;
line-height: 44px;
padding: 0 16px 0 48px;
background: url(/common/img/btn_totop.png) no-repeat left top;
}