body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  .register-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 360px;
    box-sizing: border-box;
  }
  
  .register-container h2 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
  }
  
  .form-group {
    margin-bottom: 15px;
  }
  
  .form-group label {
    display: block;
    color: #666;
    margin-bottom: 5px;
  }
  
  .form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 3px;
    box-sizing: border-box;
  }
  
  .form-group input[type="submit"] {
    background-color: #5cb85c;
    color: white;
    cursor: pointer;
    border: none;
  }
  
  .form-group input[type="submit"]:hover {
    background-color: #4cae4c;
  }
  
  p {
    text-align: center;
    margin-top: 10px;
  }
  
  p a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  p a:hover {
    color: red;
    text-decoration: underline;
  }
  
  @media (max-width: 768px) {
    .register-container {
      margin: 20px;
    }
  }