body {
  font-family: sans-serif;
  background: #f0f0f0;
  text-align: center;
  padding: 2rem;
}

h1 {
  font-size: 2.5rem;
  color: #333;
  margin-bottom: 1.5rem;
}

#video-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  padding: 0 2rem;
}

video {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}