.overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(0,0,0,.4);display:flex;justify-content:center;align-items:center;z-index:9999}.spinner{position:relative;width:80px;height:80px}.bar{position:absolute;left:50%;top:50%;width:6px;height:20px;border-radius:4px;transform-origin:center -10px;background:red;animation:colorCycle 1.2s linear infinite;opacity:.3}@keyframes colorCycle{0%{background:#ff0000;opacity:1}50%{background:#ffffff;opacity:.3}to{background:#ff0000;opacity:1}}