body {
    font-family: Arial, sans-serif;
  }
  
  h2 {
    color: #333;
  }
  
  input {
    padding: 5px;
    margin: 5px;
  }
  
  button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 8px;
    cursor: pointer;
  }
  
  table {
    width: 100%;
    border-collapse: collapse;
  }
  
  table, th, td {
    border: 1px solid #ddd;
    padding: 8px;
  }