body {
  font-family: sans-serif;
  padding: 2rem;
  max-width: 800px;
  margin: auto;
  background: #f9f9f9;
  color: #333;
}
input, textarea, button {
  width: 100%;
  margin: 0.5rem 0;
  padding: 0.75rem;
  font-size: 1rem;
}
#content {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.media {
  border: 1px solid #ccc;
  padding: 0.5rem;
  border-radius: 8px;
  background: white;
}
.media img, .media video {
  max-width: 100%;
  border-radius: 6px;
}