.circle{position:absolute;border:3px solid transparent;border-top-color:#71717a;border-radius:50%;animation:rotate linear infinite}.circle.one{height:50px;width:50px;top:50px;left:70px;animation-duration:.85s}.circle.two{height:75px;width:75px;top:38px;left:58px;animation-duration:.95s}.circle.three{height:100px;width:100px;top:25px;left:45px;animation-duration:1.05s}@keyframes rotate{0%{transform:rotate(360deg)}to{transform:rotate(0)}}.loader{position:absolute;top:50%;left:50%;margin:-90px 0 0 -90px}