.loader{z-index:2;box-sizing:border-box;border:5px solid #3a3a3a;border-bottom-color:#0000;border-radius:50%;width:48px;height:48px;margin:auto;animation:1s linear infinite rotation;display:inline-block;position:absolute;inset:0}@keyframes rotation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}