body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #111;
  color: #fff;
}

.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  text-align: center;
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 8px;
  background: #265C98;
  color: #fff;
  text-decoration: none;
}