Step 22 in building a cafe menu

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

  **Your code so far**
/* file: index.html */
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Cafe Menu</title>
  <link href="styles.css" rel="stylesheet" type="text/css" />
</head>
<body>
  <div=class>
    <header>
      <h1>CAMPER CAFE</h1>
      <p>Est. 2020</p>
    </header>
    <main>
      <section>
        <h2>Coffee</h2>
      </section>
    </main>
  </div>
</body>
<html>
/* file: styles.css */
body {
background-color: burlywood;
}

h1, h2, p {
text-align: center;
}
<div class="px_length">Width measured in px</div>
.px_length {
width: 300px;
}

  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36

Challenge: Step 22

Link to the challenge:

You need to clean up your HTML and CSS code a bit. There are some unnecessary additions to it. The DIV has a class assigned to it while that is not necessary for the step. Creating a new CSS rule with the name of ‘div’ would bring you in the right direction!

I understood my mistake thank you.

Mod Edit: SOLUTION REMOVED