body {
  margin: 0;
  padding: 0;
  font-family: 'Arial', sans-serif;
  background: linear-gradient(135deg, #f7f7f7, #dbeafe);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  overflow-x: hidden;
}

a.box {
  display: inline-block;
  padding: 20px 40px;
  text-decoration: none;
  color: white;
  background: #2563eb;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
  transition: transform 0.3s, background 0.3s;
}

a.box:hover {
  background: #1d4ed8;
  transform: scale(1.1);
}

h1 {
  color: #333;
  text-align: center;
  font-weight: 300;
}