What is the error in step 26.I think that my code is correct

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>
    <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 {
width: 80%;
background-color: burlywood;
}
div{margin-left:auto;}
div{margin-right:auto;}
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.63 Safari/537.36

Challenge: Step 26

Link to the challenge:

you have defined three type selectors for the same div, there should be only one type selector for div and the properties for margin should inside that one rule

This is your closing <html> tag, it’s incorrect.

thanks, your suggestion helped