body {
  font-family: Arial, sans-serif;
  max-width: 900px;
  margin: auto;
  padding: 20px;
}

nav {
  background: #f2f2f2;
  padding: 10px;
  margin-bottom: 20px;
}

nav a {
  margin-right: 15px;
  text-decoration: none;
  color: #333;
}

.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  border: 1px solid #ccc;
  padding: 15px;
  text-align: center;
  border-radius: 8px;
}

.card img {
  border-radius: 5px;
  margin-top: 10px;
}