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HTML How to Make a Website Creating HTML Content Add Social Media Links

Code challenge problem.....!!!!!!!!!!!

Here after successful completion of code challenge , the step doesn't move forward rather it says "communication problem ,contact support, or review video, restart challenge". The code challenge is to add footer facebook , twitter images with their associated links.

Plz help me , plz ,plz,plz

index.html
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Nick Pettit</title>
  </head>
  <body>
    <header>
      <a href="index.html">
        <h1>Nick Pettit</h1>
        <h2>Designer</h2>
      </a>
      <nav>
        <ul>
          <li><a href="index.html">Portfolio</a></li>
          <li><a href="about.html">About</a></li>
          <li><a href="contact.html">Contact</a></li>
        </ul>
      </nav>
    </header>
    <section>
      <ul>
        <li>
          <img src="img/numbers-01.jpg" alt="">
        </li>
        <li>
          <img src="img/numbers-02.jpg" alt="">
        </li>
        <li>
          <img src="img/numbers-06.jpg" alt="">
        </li>
      </ul>
    </section>
    <footer>
      <a href="http://facebook.com/sudhirspt">
        <img src="img/facebook-wrap.png" alt=" ">
      </a>
      <a href="http://twitter.com/sudhirspt">
        <img src="img/twitter-wrap.png" alt=" ">
      </a>
      <p>&copy; 2013 Nick Pettit.</p>
    </footer>
  </body>
</html>

This has happened to me before as well. I think the only way to solve this problem is to refresh the page and try again.

Not working...

2 Answers

You need to put in the alt text:

<footer>
  <a href="http://facebook.com/">
    <img src="img/facebook-wrap.png" alt="Facebook">
  <a/>
  <a href="http://twitter.com/">  
    <img src="img/twitter-wrap.png" alt="Twitter">
  <a/>
  <p>&copy; 2013 Nick Pettit.</p>
</footer>

I have got the problem solved... By changing the browser from chrome to firefox...

Weird. Im using Chrome and it works fine.

Well its funny..