body { font-family: sans-serif; background: #f0f2f5; text-align: center; }
h1 { color: #128C7E; }
.video-container { display: flex; justify-content: center; gap: 20px; margin: 20px; }
video { width: 45%; max-width: 480px; border: 2px solid #075E54; border-radius: 8px; background-color: black; }
.controls { margin-top: 20px; }
button, input { padding: 10px 15px; font-size: 16px; border-radius: 5px; border: 1px solid #ccc; margin: 5px; }
button { cursor: pointer; background-color: #25D366; color: white; border: none; }
button:disabled { background-color: #ccc; cursor: not-allowed; }