body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
  }
  .container {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }
  input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
  }
  button {
    width: 100%;
    padding: 10px;
    background-color: #28a745;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  button:hover {
    background-color: #218838;
  }
  table {
    width: 100%;
    margin-top: 20px;
    border-collapse: collapse;
  }
  th, td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
  }
  button.delete {
    background-color: #dc3545;
    color: white;
  }