body {
      font-family: Arial, sans-serif;
      margin: 40px;
      background-color: #f9f9f9;
    }

    form {
      background-color: #fff;
      padding: 20px;
      max-width: 400px;
      border-radius: 8px;
      box-shadow: 0 0 10px rgba(0,0,0,0.1);
    }

    label {
      display: block;
      margin-top: 15px;
      font-weight: bold;
    }

    input[type="text"],
    input[type="email"],
    input[type="number"] {
      width: 100%;
      padding: 8px;
      margin-top: 5px;
      border: 1px solid #ccc;
      border-radius: 4px;
    }

    input[type="submit"] {
      margin-top: 20px;
      background-color: #4CAF50;
      color: white;
      border: none;
      padding: 10px 20px;
      border-radius: 4px;
      cursor: pointer;
    }

    input[type="submit"]:hover {
      background-color: #45a049;
    }