:root{--primary-color:#3d98f4}.countdown-flicker{animation:flicker 16s infinite alternate}@keyframes flicker{0%,18%,22%,25%,53%,57%,to{text-shadow:0 0 4px #fff,0 0 11px #fff,0 0 19px #fff,0 0 40px var(--primary-color),0 0 80px var(--primary-color),0 0 90px var(--primary-color),0 0 100px var(--primary-color),0 0 150px var(--primary-color)}20%,24%,55%{text-shadow:none}}