Learn CSS Colors by Building a Set of Colored Markers - Step 12

Tell us what’s happening:
For this step it wants me to " .marker CSS rule, set the width property to 200px and the height property to 25px" I’m now sure what I’m doing wrong.

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

.marker {
background-color: red; width: 200px, height: 25px
}

  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.102 Safari/537.36

Challenge: Learn CSS Colors by Building a Set of Colored Markers - Step 12

Link to the challenge:

try re-writing you code so that each style gets its own line
And make sure that each line has a semi-colon at the end.