<h2>CatPhotoApp</h2>
    <main>
    <p>Click here to view more <a href="#">cat photos</a>.</p>
    <p>Things cats love:</p>
    <ul>
    <li>cat nip</li>
    <li>laser pointers</li>
    <li>lasagna</li>
    </ul>
    <p>Top 3 things cats hate:</p>
    <ol>
    <li>flea treatment</li>
    <li>thunder</li>
    <li>other cats</li>
    </ol>
    <form action="/submit-cat-photo">
    <input id="indoor" type="radio"name="indoor-outdoor">
    <label for="indoor">Indoor</label>
    <input id="outdoor"type="radio"name="indoor-outdoor">
    <label for="outdoor">Outdoor</label>
    <input type="text" placeholder="cat photo URL" required>
    <button type="submit">Submit</button>

    </form>
    </main>