Learn Basic CSS by Building a Cafe Menu - Step 23

Tell us what’s happening:
Hi… Please help what am I doing wrong here?

Your code so far

/* file: index.Ext.html */
<!DOCTYPE html>
<html lang="en">
  <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"/>
  </head>
  <body>
    <div id="menu">
      <main>
        <h1>CAMPER CAFE</h1>
        <p>Est. 2020</p>
        <section>
          <h2>Coffee</h2>
        </section>
      </main>
    </div>
  </body>
</html>
/* file: styles.Ext.css */
body {
  /*
  background-color: burlywood;
  */
}

h1, h2, p {
  text-align: center;
}

#menu {
  width : 300px;
  background colour: burlywood;
}


Your mobile information:

SM-A032F - Android 13 - Android SDK 33

Challenge: Learn Basic CSS by Building a Cafe Menu - Step 23

Link to the challenge:

background-color - has a dash in between. Color is spelt in American English