--description--

You can add the fa-paper-plane Font Awesome icon by adding <i class="fa fa-paper-plane"></i> within your submit button element.

Give your form's text input field a class of form-control. Give your form's submit button the classes btn btn-primary. Also give this button the Font Awesome icon of fa-paper-plane.

All textual <input>, <textarea>, and <select> elements with the class .form-control have a width of 100%.

--hints--

The submit button in your form should have the classes btn btn-primary.

assert.isTrue(document.querySelector('button[type="submit"]')?.classList?.contains('btn'));
assert.isTrue(document.querySelector('button[type="submit"]')?.classList?.contains('btn-primary'));

You should add a <i class="fa fa-paper-plane"></i> within your submit button element.

const submitButton = document.querySelector('button[type="submit"]');
const fontIcon = submitButton?.querySelectorAll('i.fa.fa-paper-plane'); 

assert.lengthOf(fontIcon ,1);

The text input in your form should have the class form-control.

assert.isTrue(document.querySelector('input[type="text"]')?.classList?.contains('form-control'));

Each of your i elements should have a closing tag.

assert.match(code,/<\/i>/g);
assert.lengthOf(code.match(/<\/i/g),4);

--seed--

--seed-contents--

html

<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
  h2 {
    font-family: Lobster, Monospace;
  }

  .thick-green-border {
    border-color: green;
    border-width: 10px;
    border-style: solid;
    border-radius: 50%;
  }

</style>

<div class="container-fluid">
  <div class="row">
    <div class="col-xs-8">
      <h2 class="text-primary text-center">CatPhotoApp</h2>
    </div>
    <div class="col-xs-4">
      <a href="#"></a>
    </div>
  </div>
  
  <div class="row">
    <div class="col-xs-4">
      <button class="btn btn-block btn-primary"><i class="fa fa-thumbs-up"></i> Like</button>
    </div>
    <div class="col-xs-4">
      <button class="btn btn-block btn-info"><i class="fa fa-info-circle"></i> Info</button>
    </div>
    <div class="col-xs-4">
      <button class="btn btn-block btn-danger"><i class="fa fa-trash"></i> Delete</button>
    </div>
  </div>
  <p>Things cats <span class="text-danger">love:</span></p>
  <ul>
    <li>catnip</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="https://freecatphotoapp.com/submit-cat-photo">
    <div class="row">
      <div class="col-xs-6">
        <label><input type="radio" name="indoor-outdoor"> Indoor</label>
      </div>
      <div class="col-xs-6">
        <label><input type="radio" name="indoor-outdoor"> Outdoor</label>
      </div>
    </div>
    <div class="row">
      <div class="col-xs-4">
        <label><input type="checkbox" name="personality"> Loving</label>
      </div>
      <div class="col-xs-4">
        <label><input type="checkbox" name="personality"> Lazy</label>
      </div>
      <div class="col-xs-4">
        <label><input type="checkbox" name="personality"> Crazy</label>
      </div>
    </div>
    <input type="text" placeholder="cat photo URL" required>
    <button type="submit">Submit</button>
  </form>
</div>

--solutions--