body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #333;
    color: white;
    text-align: center;
  }
  
  header {
    padding: 1rem;
    background-color: #4ccdea;
    color: #333;
    font-size: 2rem;
    font-weight: bold;
  }
  
  p {
    margin-top: 0.5rem;
    font-size: 1.2rem;
  }
  
  .container {
    margin: 2rem auto;
    padding: 2rem;
    width: 90%;
    max-width: 600px;
    background-color: #444;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  }
  
  form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  input, button {
    padding: 0.5rem;
    border-radius: 5px;
    border: none;
    font-size: 1rem;
  }
  
  button {
    background-color: #4ccdea;
    color: #333;
    font-weight: bold;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #39a9c9;
  }
  
  .source-code-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    background-color: #4ccdea;
    color: #333;
    font-weight: bold;
    text-decoration: none;
  }
  
  .source-code-btn:hover {
    background-color: #39a9c9;
  }