loader{position:fixed;top:0;left:0;right:0;bottom:0;background:#f0f0f0;z-index:1000;display:flex;align-items:center;justify-content:center}.loader{width:50px;aspect-ratio:1;display:grid;border:4px solid #0000;border-radius:50%;border-right-color:#2196f3;animation:l15 1s infinite linear}.loader:before,.loader:after{content:"";grid-area:1/1;margin:2px;border:inherit;border-radius:50%;animation:l15 2s infinite}.loader:after{margin:8px;animation-duration:3s}@keyframes l15{to{transform:rotate(1turn)}}