.scrollup {
    width: 47px;
    height: 48px;
    opacity: 0.3;
    position: fixed;
    bottom: 40px;
    right: 2%;
    display: none;
    text-indent: -9999px;
    background: url('../img/scroll_to_top.png') no-repeat;
}

.ios .scrollup {
	visibility: hidden;
}

.android .scrollup {
	visibility: hidden;
}