body {
  font-family: Arial, sans-serif;
  background-color: #f0fff0;
  color: #0a3;
  margin: 0;
  padding: 0;
}
header {
  background-color: #0a3;
  color: white;
  text-align: center;
  padding: 30px 20px;
}
.buttons .btn {
  background: white;
  color: #0a3;
  padding: 12px 25px;
  margin: 10px;
  text-decoration: none;
  font-weight: bold;
  border-radius: 8px;
  display: inline-block;
  transition: 0.3s;
}
.buttons .btn:hover {
  background-color: #0c5;
  color: white;
}
.gallery, .article, .video {
  padding: 40px 20px;
  max-width: 1000px;
  margin: auto;
}
.images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}
.images img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 0 10px #ccc;
}
footer {
  background-color: #0a3;
  color: white;
  text-align: center;
  padding: 20px;
}