*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}.float-back{display:none}@media (max-width:768px){.float-back{z-index:200;-webkit-backdrop-filter:blur(10px);cursor:pointer;color:#fff;background:#00000061;border:none;border-radius:50%;justify-content:center;align-items:center;width:42px;height:42px;transition:background .15s;display:flex;position:fixed;top:68px;left:16px}.float-back:active{background:#0000008c}.desktop-only{display:none!important}}