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CSS CSS Layout Techniques Flexbox Layout Flexbox Layout Challenge

Hi, The challenge keeps saying there is a communication problem. I keep refreshing and I get the same message.

Stage 4 Flexbox Layout Related Discussions Have questions about this code challenge? Start a discussion with the community and Treehouse staff.

unable to complete the challenge due to technical issue, please advise.

index.html
<!DOCTYPE html>
<html>
<head>
    <title>Flexbox</title>
    <link rel="stylesheet" href="page.css">
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="main-wrapper">
        <header class="main-header">
            <ul class="main-nav">
                <li class="main-logo"><h1><a href="#">My Work</a></h1></li>
                <li><a href="#">Design</a></li>
                <li><a href="#">Coding</a></li>
                <li><a href="#">Writing</a></li>
                <li><a href="#">Hire Me!</a></li>
            </ul>
        </header>
        <div class="content-row">
            <div class="primary col">
                <h1>I'm a Designer</h1>
                <p>I design beautiful user interfaces, then bring them to life with HTML, CSS, and JavaScript. I love including personal photographs of nature, people and everyday things in my designs.</p>
                <p>If you need a front-end designer for your next project, <a href="#">take a look at my work</a>, then <a href="#">get in touch</a>!</p>
            </div>
            <div class="secondary col">
                <h2>I Also Write</h2>
                <p>I like teaching others about the latest web in technology. So when I'm not designing or coding websites &amp; apps, you'll find me writing <a href="#">articles for my blog</a>.</p>
            </div>
        </div>
    </div>
</body>
</html> 
style.css
@media (min-width: 611px) {

    /* Complete the challenge by writing CSS below */
  .main-nav {

  }

}

1 Answer