.back-to-top{align-items:center;background-color:var(--wp--preset--color--primary);border:none;border-radius:50%;bottom:30px;box-shadow:0 4px 12px rgba(0,0,0,.15);color:#fff;cursor:pointer;display:flex;font-size:24px;height:50px;justify-content:center;line-height:1;opacity:0;position:fixed;right:30px;transition:opacity .3s ease,visibility .3s ease,background-color .2s ease;visibility:hidden;width:50px;z-index:999}.back-to-top.show{opacity:1;visibility:visible}.back-to-top:hover{background-color:#333}.back-to-top svg{fill:#fff;height:20px;width:20px}@media (max-width:768px){.back-to-top{bottom:20px;height:45px;right:20px;width:45px}}