.app-intro{align-items:center;background-color:#fff;color:#000;display:flex;flex-direction:column;height:100vh;justify-content:center;overflow-y:hidden}.app-intro .heading{animation:heart-beat 4s ease-in infinite;font-size:36px;text-align:center;z-index:1}.app-intro .sub-heading{color:#4b4b4b;font-size:18px;text-align:center;z-index:1}@keyframes heart-beat{0%{opacity:.1}50%{opacity:1}to{opacity:.1}}