circle{animation:rotator 6s ease-in-out infinite;transform-origin:170px 170px}circle:first-of-type{stroke-dasharray:600}circle:nth-of-type(2){stroke-dasharray:500}circle:nth-of-type(3){stroke-dasharray:400}circle:nth-of-type(4){stroke-dasharray:300}circle:first-of-type{animation-delay:0s}circle:nth-of-type(2){animation-delay:-.3s}circle:nth-of-type(3){animation-delay:-.6s}circle:nth-of-type(4){animation-delay:-.1s}@keyframes rotator{50%{transform:rotate(70deg)}}