.loader{width:16px;height:16px;border-radius:50%;display:inline-block;border-top:3px solid #fff;animation:rotation 1s linear infinite}.loader,.loader.dark{border-right:3px solid transparent}.loader.dark{border-top:3px solid #2c2c2c}.loader.big{border-width:4px;width:32px;height:32px}@keyframes rotation{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}