body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  text-align: center;
  background-color: #fafafa;
}
header {
  background-color: #222;
  color: white;
  padding: 20px;
}
.gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  padding: 20px;
}
.gallery img {
  width: 280px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
footer {
  background-color: #f1f1f1;
  padding: 15px;
  font-size: 14px;
}