body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(to bottom right, #4e54c8, #8f94fb);
  color: white;
  text-align: center;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  max-width: 600px;
  padding: 20px;
  background-color: rgba(0,0,0,0.3);
  border-radius: 12px;
}