@charset "UTF-8";#back_to_top{position:fixed;bottom:20px;right:20px}#back_to_top a{display:block;z-index:99999 !important;padding:8px 0 0 8px;border-radius:30px;width:50px;height:50px;color:#fff;font-weight:700;text-decoration:none;text-align:center}#back_to_top a:hover{text-decoration:none}