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

:root {
  font-size: 18px;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    min-height: 100vh;
    background-color: black;
    color: white;
}

h1 {
    color: white;
    text-shadow: 0 0 8px rgba(0, 255, 0, 0.8), 
                 0 0 16px rgba(0, 255, 0, 0.6), 
                 0 0 32px rgba(0, 255, 0, 0.4);
    font-size: 4rem;
    animation: glow-pulse 6s infinite ease-in-out;
}

@keyframes glow-pulse {
    0% { text-shadow: 0 0 10px rgba(0, 255, 0, 0.7), 0 0 15px rgba(0, 255, 0, 0.5); }
    50% { text-shadow: 0 0 10px rgba(0, 255, 0, 1), 0 0 20px rgba(0, 255, 0, 0.8), 0 0 30px rgba(0, 255, 0, 0.6); }
    100% { text-shadow: 0 0 10px rgba(0, 255, 0, 0.7), 0 0 15px rgba(0, 255, 0, 0.5); }
}