a#scroll-to-top{background:url(png/arrow.png) no-repeat center center;width:35px;height:35px;position:fixed;right:30px;bottom:30px;text-indent:-9999px;font-size:0;cursor:pointer;outline:0}body.rtl a#scroll-to-top{left:30px}@media only screen and (max-width:480px){a#scroll-to-top{right:0;bottom:0}body.rtl a#scroll-to-top{left:0;bottom:0}}