.glow{display:inline-block;border-radius:50%;box-shadow:0 0 15px hsla(0,0%,100%,.5);animation:rainbow-glow 3s linear infinite;transition:transform .3s ease,box-shadow .3s ease}@keyframes rainbow-text{0%{filter:hue-rotate(0deg)}to{filter:hue-rotate(1turn)}}.rainbow-text{animation:rainbow-text 3s linear infinite}@keyframes rainbow-glow{0%{box-shadow:0 0 15px red;filter:hue-rotate(0deg)}20%{box-shadow:0 0 15px #ff8000;filter:hue-rotate(60deg)}40%{box-shadow:0 0 15px #ff0;filter:hue-rotate(120deg)}60%{box-shadow:0 0 15px #0f0;filter:hue-rotate(180deg)}80%{box-shadow:0 0 15px #00f;filter:hue-rotate(240deg)}to{box-shadow:0 0 15px #f0f;filter:hue-rotate(300deg)}}