.left-gate{animation:.5s forwards closeLeftGate}.right-gate{animation:.5s forwards closeRightGate}@keyframes closeLeftGate{0%{left:-50%}to{left:0}}@keyframes closeRightGate{0%{right:-50%}to{right:0}}.loader{--_g:no-repeat radial-gradient(circle closest-side,#000 90%,#0000);background:var(--_g) 0% 20%, var(--_g) 50% 50%, var(--_g) 100% 50%;background-size:33.3333% 100%;animation:0s .5s forwards show,1s linear .5s infinite load}@keyframes show{to{visibility:visible}}@keyframes load{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%}}