#visitor-avatar {
    width: 144px;
    height: 144px;
    image-rendering: pixelated;
    border-radius: 16px;
    border: 3px solid #0a0;
    background: #021004;
    box-shadow:
      inset 0 0 12px #0a0a0a,
      0 0 8px #0a0;
}

@keyframes gentleGlow {
    0%, 100% { filter: drop-shadow(0 0 6px #0a0); transform: scale(1); }
    50% { filter: drop-shadow(0 0 10px #0a0); transform: scale(1.02); }
}