.back-to-top{position:fixed;right:50px;bottom:calc(50px + var(--back-to-top-offset, 0px));z-index:99;transition:opacity .25s ease,transform .25s ease,background-color .2s ease,bottom .25s ease;width:50px;height:50px;padding:0;display:flex;align-items:center;justify-content:center;background-color:var(--brand,#ff6636);color:#fff;border:none;border-radius:50%;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.18);opacity:0;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,background-color .2s ease}.back-to-top[hidden]{display:none}.back-to-top.is-visible{opacity:1;transform:translateY(0)}.back-to-top:hover{background-color:#e6552c}.back-to-top:active{transform:translateY(2px)}.back-to-top:focus-visible{outline:2px solid #fff;outline-offset:2px}@media (max-width:768px){.back-to-top{right:34px;bottom:calc(50px + var(--back-to-top-offset, 0px))}}@media (max-width:540px){.back-to-top{right:24px;bottom:calc(36px + var(--back-to-top-offset, 0px))}}