Does anyone know which part is wrong

HTML-CSS
1

Tell us what’s happening:

Your code so far


<body>
  <header>
    <h1>Tournaments</h1>
  </header>
  <article>
    <h2>Mortal Kombat Tournament Survey Results</h2>
    
    <!-- Add your code below this line -->
    
    <p>Thank you to everyone for responding to Master Camper Cat's survey. The best day to host the vaunted Mortal Kombat tournament is <time datetime="2016-09-15">Thursday,September 15<sup>th</sup></time> 
     May the best ninja win!</p>
   
    
    <!-- Add your code above this line -->
    

    
    <section>
      <h3>Comments:</h3>
      <article>
        <p>Posted by: Sub-Zero on <time datetime="2016-08-13T20:01Z">August 13<sup>th</sup></time></p>
        <p>Johnny Cage better be there, I'll finish him!</p>
      </article>
      <article>
        <p>Posted by: Doge on <time datetime="2016-08-15T08:12Z">August 15<sup>th</sup></time></p>
        <p>Wow, much combat, so mortal.</p>
      </article>
      <article>
        <p>Posted by: The Grim Reaper on <time datetime="2016-08-16T00:00Z">August 16<sup>th</sup></time></p>
        <p>Looks like I'll be busy that day.</p>
      </article>
    </section>
  </article>
  <footer>&copy; 2018 Camper Cat</footer>
</body>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36.

2

Hello, what does the challenge want you to do?

3

please mention the question it is not clear

4

how to use time datetime , i dont’ quiet familiar how to ask in correctly way on this app

5

what error you are getting man

6

datetime actually do not render in the browser so even if you write in the code it wont show up on the screen.

7

thx everyone for answering , i got the point