.sparkling-border{border:4px solid transparent;position:relative;animation:sparkle 3s ease-in-out infinite}@keyframes sparkle{0%,to{border-color:cyan;box-shadow:0 0 10px 2px rgba(0,255,255,.5),0 0 20px 4px rgba(0,255,255,.3)}25%{border-color:cyan;box-shadow:0 0 15px 5px rgba(0,255,255,.7),0 0 30px 10px rgba(0,255,255,.5)}50%{border-color:cyan;box-shadow:0 0 20px 10px #0ff,0 0 40px 15px rgba(0,255,255,.7)}75%{border-color:cyan;box-shadow:0 0 15px 5px rgba(0,255,255,.7),0 0 30px 10px rgba(0,255,255,.5)}}