body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f5f5f5;
  color: #333;
}

header {
  background-color: #222;
  color: white;
  padding: 1em;
  text-align: center;
}

nav a {
  margin: 0 1em;
  color: #ddd;
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

section {
  padding: 2em;
}

.art-grid {
  display: flex;
  gap: 1em;
  flex-wrap: wrap;
}

.art-grid img {
  width: 30%;
  border: 2px solid #ccc;
  border-radius: 8px;
}

footer {
  text-align: center;
  padding: 1em;
  background-color: #222;
  color: white;
}