#neon1 {
font-size: 4rem;
color: #fff;
text-shadow: 0 0 5px #ff005e, 0 0 10px #ff005e, 0 0 20px #ff005e, 0 0 40px #ff005e, 0 0 80px #ff005e;
animation: glow 1.5s infinite alternate;
}

@keyframes glow {
0% {
text-shadow: 0 0 5px #ff005e, 0 0 10px #ff005e, 0 0 20px #ff005e, 0 0 40px #ff005e, 0 0 80px #ff005e;
}
100% {
text-shadow: 0 0 10px #00d4ff, 0 0 20px #00d4ff, 0 0 40px #00d4ff, 0 0 80px #00d4ff, 0 0 160px #00d4ff;
}
}