--description--

You can set an element's background color with the background-color property.

For example, if you wanted an element's background color to be green, you'd put this within your style element:

css

.green-background {
  background-color: green;
}

--instructions--

Create a class called silver-background with the background-color of silver. Assign this class to your div element.

--hints--

Your div element should have the class silver-background.

assert.isTrue(document.querySelector('div').classList.contains('silver-background'));

Your div element should have a silver background.

const div = document.querySelector('div');
const backgroundColor = window.getComputedStyle(div)['background-color']; 
assert.strictEqual(backgroundColor, 'rgb(192, 192, 192)');

A class named silver-background should be defined within the style element and the value of silver should be assigned to the background-color property.

assert.match(__helpers.removeHtmlComments(code), /\.silver-background\s*{\s*background-color\s*:\s*silver\s*;?\s*}/);

--seed--

--seed-contents--

html

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

  h2 {
    font-family: Lobster, monospace;
  }

  p {
    font-size: 16px;
    font-family: monospace;
  }

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

  .smaller-image {
    width: 100px;
  }
</style>

<h2 class="red-text">CatPhotoApp</h2>
<main>
  <p class="red-text">Click here to view more <a href="#">cat photos</a>.</p>

  <a href="#"></a>

  <div>
    <p>Things cats love:</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>
  </div>

  <form action="https://freecatphotoapp.com/submit-cat-photo">
    <label><input type="radio" name="indoor-outdoor" checked> Indoor</label>
    <label><input type="radio" name="indoor-outdoor"> Outdoor</label>

    <label><input type="checkbox" name="personality" checked> Loving</label>
    <label><input type="checkbox" name="personality"> Lazy</label>
    <label><input type="checkbox" name="personality"> Energetic</label>

    <input type="text" placeholder="cat photo URL" required>
    <button type="submit">Submit</button>
  </form>
</main>

--solutions--