body {
  font-family: system-ui, sans-serif;
  margin: 0;
  background: #fafafa;
  color: #111;
}

.header {
  padding: 16px;
  background: #111;
}

.header a {
  color: white;
  margin-right: 12px;
  text-decoration: none;
}

.container {
  max-width: 900px;
  margin: auto;
  padding: 24px;
}

img {
  max-width: 100%;
  border-radius: 8px;
}

.video {
  aspect-ratio: 16 / 9;
  width: 100%;
  border: none;
}

.footer {
  padding: 20px;
  text-align: center;
  color: #666;
}