.back-top.back_totop{background:transparent;margin:100px 0 0}a.arrow-scroll{font-size:18px;color:#42515a;font-weight:600}a.arrow-scroll{font-size:18px;color:#42515a;font-weight:600;border:2px solid #42515a;border-radius:30px;display:inline-block;width:auto;text-align:center;padding:11px 20px}a.arrow-scroll:hover{background:#4aacd7}.inner-back{text-align:center;padding:60px 0 0}.inner-back a img{margin-right:10px;margin-top:-5px}@media(max-width:767px){.back-top.back_totop{margin:50px 0 0}}@media(max-width:640px){.back-top.back_totop{margin:90px 0 0}.inner-back{padding:10px 0 0px}}