* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family:sans-serif;
}

body {
  background: #f8f9fa;
  padding: 20px;
  color: #333;
}

nav {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

a {
  text-decoration: none;
  color: #3498db;
  font-size: 20px;
  font-weight: bold;
  transition: 0.3s;
}

a:hover {
  color: #1d6fa5;
  text-decoration: underline;
}

div {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

div img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: transform 0.3s ease-in-out;
}

div img:hover {
  transform: scale(1.05);
}