body {
  font-family: Arial;
  background: linear-gradient(135deg,#1e3c72,#2a5298);
  color: white;
  margin: 0;
}
.container {
  max-width: 900px;
  margin: auto;
  padding: 40px;
  text-align: center;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap: 20px;
}
.card {
  background: rgba(255,255,255,0.15);
  padding: 25px;
  border-radius: 12px;
}
.card a {
  display: inline-block;
  margin-top: 15px;
  background: white;
  color: #1e3c72;
  padding: 10px 20px;
  border-radius: 20px;
  text-decoration: none;
}