.back-to-top{position:fixed;right:24px;bottom:24px;width:50px;height:50px;border:0;border-radius:50%;background:#51443b;color:#fff;font-size:25px;line-height:1;cursor:pointer;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(8px);transition:.25s;z-index:1000;box-shadow:0 10px 30px #2c211a33}.back-to-top.show{opacity:1;visibility:visible;pointer-events:auto;transform:none}.back-to-top:focus-visible{outline:3px solid #d5b28e;outline-offset:3px}.post-summary h2{margin:0 0 20px}@media(max-width:700px){.back-to-top{right:max(14px,env(safe-area-inset-right));bottom:max(14px,env(safe-area-inset-bottom));width:48px;height:48px;font-size:26px}}