Learn CSS Colors by Building a Set of Colored Markers - Step 16

Tell us what’s happening:
Describe your issue in detail here.

Your code so far

<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Colored Markers</title>
    <link rel="stylesheet" href="styles.css">
  </head>
  <body>
    <h1>CSS Color Markers</h1>
    <div class="container">

<!-- User Editable Region -->

      <div class="marker">
      </div>
      <div class="marker">
      </div>
      <div class="marker">
      </div>

<!-- User Editable Region -->

    </div>
  </body>
</html>
/* file: styles.css */
h1 {
  text-align: center;
}

.marker {
  width: 200px;
  height: 25px;
  background-color: red;
  margin: 10px auto;
}

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36

Challenge: Learn CSS Colors by Building a Set of Colored Markers - Step 16

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Hello!

Please tell us what the problem is in your own words. Learning to describe problems is hard, but it is an important part of learning how to code.
Also, the more you say, the more we can help!