Learn Accessibility by Building a Quiz - Step 9

Tell us what’s happening:
Greetings reader. I did everything the step asked me correctly and ecen checked for any errors and typos but it still wil not let me progress but tell me that I should use the aspect ratio property. What should I do? I tried everything and even looking up the coding to double check and to my knowledge, the coding I typed in is correct but I cannot progress. Please help.

Your code so far
Aspect-ratio: 35 / 4;

<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="freeCodeCamp Accessibility Quiz practice project" />
    <title>Accessibility Quiz</title>
    <link rel="stylesheet" href="styles.css" />
  </head>
  <body>
    <header>
      <img id="logo" src="https://cdn.freecodecamp.org/platform/universal/fcc_primary.svg">
      <h1>HTML/CSS Quiz</h1>
      <nav></nav>
    </header>
    <main></main>
  </body>
</html>

/* file: styles.css */
body {
  background: #f5f6f7;
  color: #1b1b32;
  font-family: Helvetica;
  margin: 0;
}

#logo {
  width: max(100px, 18vw);
  background-color: #0a0a23;
  aspect-ratio: 35 / 4;
  padding: 0.4rem


}

Your browser information:

User Agent is: Mozilla/5.0 (Linux; Android 4.4.4; SM-T561) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 OPR/58.4.2878.56737

Challenge: Learn Accessibility by Building a Quiz - Step 9

Link to the challenge:

Your browser is too old and doesn’t support the aspect-ratio property. You’ll need to upgrade to a recent version.