.loader{aspect-ratio:4;--_g:no-repeat radial-gradient(circle closest-side, #000 90%, #0000);background:var(--_g) 0% 50%,var(--_g) 50% 50%,var(--_g) 100% 50%;background-size:33.3333% 100%;width:30px;animation:1s linear infinite l7}@keyframes l7{33%{background-size:33.3333% 0%,33.3333% 100%,33.3333% 100%}50%{background-size:33.3333% 100%,33.3333% 0%,33.3333% 100%}66%{background-size:33.3333% 100%,33.3333% 100%,33.3333% 0%}}