Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

CSS CSS Layout Techniques Float Layout Float Layout Challenge

how to clear floats from the main-header

How to clearfix in the header

index.html
<!DOCTYPE html>
<html>
<head>
    <title>Floats</title>
    <link rel="stylesheet" href="page.css">
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="main-wrapper">  
        <header class="main-header">
            <h1 class="main-logo"><a href="#">My Work</a></h1>
            <ul class="main-nav">
                <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="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 class="extra">

        </div>
    </div>
</body>
</html> 
style.css
/* Complete the challenge by writing CSS below */

/* Float Styles
================================ */
.main-logo,
.main-nav li{
float : left;
}
.main-header{
clear: both;
}

/* Float Clearfix
================================ */

.group:after {
  content: " ";
  display: table;
  clear: both;
}

2 Answers

Is this a code challenge? What is it exactly the challenge wants you to do?

There is a small syntax mistake in your CSS.

.main-nav li{
float : left;
}

erase the space between float and the colon.

yes i satisfy this