body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  text-align: center;
}

header {
  background-color: #f5f5f5;
  padding: 2rem 1rem;
}

.gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 2rem;
  gap: 2rem;
}

.painting {
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 1rem;
  width: 300px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.painting img {
  width: 100%;
  height: auto;
  border-radius: 5px;
}

.buy-button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background-color: #4CAF50;
  color: white;
  text-decoration: none;
  border-radius: 5px;
}

.buy-button:hover {
  background-color: #45a049;
}

footer {
  margin-top: 3rem;
  padding: 1rem;
  background-color: #f5f5f5;
}