body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 20px;
  }
  
  .container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 30px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 8px;
  }
  
  h1, h2 {
    text-align: center;
  }
  
  form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
  }
  
  input {
    padding: 10px;
    font-size: 16px;
  }
  
  button {
    padding: 10px;
    background: #007bff;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
  }
  
  button:hover {
    background: #0056b3;
  }
  
  ul {
    list-style: none;
    padding: 0;
  }
  
  li {
    padding: 8px;
    border-bottom: 1px solid #ddd;
  }