body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f4f6f8;
  color: #333;
}

header {

  padding: 1rem;
  text-align: center;

}

h1 {
  margin: 0;
  font-size: 1.8rem;
}

main {
  padding: 20px;
  max-width: 900px;
  margin: auto;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}

li {
  background-color: white;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 15px;
  transition: all 0.2s ease-in-out;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

li:hover {
  background-color: #e6f0ff;
  transform: scale(1.02);
}

a {
  text-decoration: none;
  color: #004080;
  font-weight: 500;
  display: block;
}


a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.4rem;
  }

  li {
    padding: 10px;
  }
}