body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: black;
  }

  .container {
    width: 300px;
    padding: 20px;
    background-color: #f2f2f2;
    border-radius: 5px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
  }

  .container h2 {
    text-align: center;
    margin-bottom: 20px;
  }

  .form-group {
    margin-bottom: 20px;
  }

  .form-group label {
    display: block;
    margin-bottom: 5px;
  }

  .form-group input {
    width: 100%;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 3px;
  }

  .error-message {
    color: red;
    margin-top: 5px;
  }

  .form-group.error input {
    border-color: red;
  }

  .button-container {
    text-align: center;
  }

  .button-container button {
    padding: 10px 20px;
    background-color: #4CAF50;
    border: none;
    color: white;
    cursor: pointer;
    border-radius: 3px;
  }