.play-btn{animation:pulse 1.5s infinite;box-shadow:0 0 #9ae81ab3}@keyframes pulse{0%{transform:scale(1);box-shadow:0 0 #9ae81ab3}70%{transform:scale(1.1);box-shadow:0 0 0 20px #9ae81a00}to{transform:scale(1);box-shadow:0 0 #9ae81a00}}