.c-back-to-top{align-items:center;background-color:#f86802;border:.2rem solid #fff;border-radius:50%;bottom:2rem;box-shadow:0 20px 10px -10px rgba(0,0,0,.1),0 10px 40px 0 rgba(0,0,0,.1);cursor:pointer;display:flex;height:3.6rem;justify-content:center;opacity:0;padding:0;pointer-events:none;position:fixed;right:2rem;transition:background-color .3s cubic-bezier(.165,.84,.44,1),color .3s cubic-bezier(.165,.84,.44,1),opacity .5s cubic-bezier(.165,.84,.44,1);width:3.6rem}.c-back-to-top--visible{opacity:1;pointer-events:all}.c-back-to-top:focus,.c-back-to-top:hover{background-color:#2c2828;color:#fbfaf7}.c-back-to-top__icon{color:#fbfaf7;font-size:2.8rem}