.loader{aspect-ratio:1;--_m:conic-gradient(#0000 10%, #000), linear-gradient(#000 0 0) content-box;width:40px;-webkit-mask:var(--_m);-webkit-mask:var(--_m);mask:var(--_m);-webkit-mask-composite:source-out;background:#545757;border-radius:50%;padding:8px;animation:1s linear infinite l3;-webkit-mask-composite:source-out;mask-composite:subtract}.loader.loader-small{width:20px}@keyframes l3{to{transform:rotate(1turn)}}