Learn Accessibility by Building a Quiz - Step 16

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

   **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" />
   <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>
       <ul>
         <li><a>INFO</a></li>
         <li><a>HTML</a></li>
         <li><a>CSS</a></li>
			  </ul>
     </nav>
   </header>
   <main>
     <form method="post" action="https://freecodecamp.org/practice-project/accessibility-quiz">
       <section role="region" ><h2 arialabelledby="student-info" id="student-info"><li>student-info</h2></section>
       <section role="region" ><h2 arialabelledby="html-questions" id="html-questions"><li>html-questions</h2></section>
       <section role="region"><h2  arialabelledy="css-questions" id="css-questions"><li>css-questions</h2></section>
     </form>
   </main>
 </body>
</html>

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

header {
 width: 100%;
	height: 50px;
	background-color: #1b1b32;
	display: flex;
}

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

h1 {
 color: #f1be32;
	font-size: min(5vw, 1.2em);
}

nav {
	width: 50%;
	max-width: 300px;
	height: 50px;
}

nav > ul {
	display: flex;
	justify-content: space-evenly;
}
   **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Challenge: Learn Accessibility by Building a Quiz - Step 16

Link to the challenge: