body{background-color:#000;animation-name:flicker;animation-duration:20ms;animation-iteration-count:infinite}body .reduced-motion-note{display:none}@keyframes flicker{0%{background-color:#000}to{background-color:#fff}}@media(prefers-reduced-motion:reduce){body{animation:none!important;background-color:#fff}body .reduced-motion-note{display:block}}