Neon Glow Button Effect | Learning Axis

HTML

CSS

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #121212;
  margin: 0;
}
.neon-button {
  font-size: 20px;
  padding: 15px 30px;
  border: 2px solid #0ff;
  background: transparent;
  color: #0ff;
  font-weight: bold;
  text-transform: uppercase;
  border-radius: 5px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: 0.3s ease;
  box-shadow: 0 0 10px #0ff, 0 0 40px #0ff;
}
.neon-button:hover {
  background: #0ff;
  color: #121212;
  box-shadow: 0 0 20px #0ff, 0 0 50px #0ff, 0 0 100px #0ff;
}
.neon-button::before {
  content: "";
  position: absolute;
  width: 400%;
  height: 400%;
  top: -200%;
  left: -200%;
  background: linear-gradient(45deg, #ff0000, #ff7300, #ffeb00, #00ff00, #00ffee, #0000ff, #aa00ff, #ff007b);
  z-index: -1;
  transition: 0.5s ease-in-out;
  animation: neon-animation 5s linear infinite;
}
@keyframes neon-animation {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}