* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #000;
  font-family: 'Arial', sans-serif;
}

.neon-sign {
  text-align: center;
}

.neon-text {
  display: block;
  font-size: 8rem;
  font-weight: bold;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  text-shadow:
    0 0 10px #fff,
    0 0 20px #fff,
    0 0 30px #fff,
    0 0 40px #ff00de,
    0 0 70px #ff00de,
    0 0 80px #ff00de,
    0 0 100px #ff00de,
    0 0 150px #ff00de;
  animation: flicker 3s infinite alternate;
}

.neon-text:nth-child(2) {
  color: #00d9ff;
  text-shadow:
    0 0 10px #fff,
    0 0 20px #fff,
    0 0 30px #fff,
    0 0 40px #00d9ff,
    0 0 70px #00d9ff,
    0 0 80px #00d9ff,
    0 0 100px #00d9ff,
    0 0 150px #00d9ff;
  animation-delay: 0.3s;
}

@keyframes flicker {
  0%, 18%, 22%, 25%, 53%, 57%, 100% {
    opacity: 1;
  }
  20%, 24%, 55% {
    opacity: 0.4;
  }
}

.neon-text:hover {
  animation: pulse 0.5s ease-in-out;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@media (max-width: 768px) {
  .neon-text {
    font-size: 4rem;
  }
}