.loader{box-sizing:border-box;border-top:3px solid #fff;border-right:3px solid #0000;border-radius:50%;width:20px;height:20px;margin:0 10px 0 0;animation:1s linear infinite rotation;display:inline-block}@keyframes rotation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width:600px){.loader{width:5px;height:5px;margin:0 5px 0 0}}