body {
  background: linear-gradient(to right, #2c3e50, #4ca1af);
  color: white;
  font-family: Arial, sans-serif;
  text-align: center;
  padding-top: 100px;
}

h1 {
  font-size: 2.5em;
}

a.login-button {
  display: inline-block;
  margin-top: 30px;
  padding: 15px 30px;
  background-color: #ffffff20;
  border: 2px solid white;
  color: white;
  font-size: 1.2em;
  text-decoration: none;
  border-radius: 10px;
  transition: background 0.3s ease;
}

a.login-button:hover {
  background-color: #ffffff40;
}