Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

JavaScript CSS Selectors Quickstart CSS Selector Basics Basic Selectors Challenge

In the file index.html, give the <footer> element an ID value of main-footer.

My html is correct but my css isn't

Footer { main-footer: 40px; }

style.css
/* Complete the challenge by writing CSS below */

h1 { 
  font-size: 62px;
} 
img {
    margin-bottom: 20px;
}

div {
  padding: 15px;
}
footer {
  main-footer: 40px;
}
index.html
<!DOCTYPE html>
<html>
  <head>
    <title>Basic Selectors Challenge</title>
    <link rel="stylesheet" href="page.css">
    <link rel="stylesheet" href="style.css">
  </head>
  <body>
    <header>
      <h1>Lake Tahoe, California</h1>
      <img src="mtn-landscape.jpg" alt="foggy mountains">
    </header>
    <div>
      <h2>Journey Through the Sierra Nevada Mountains</h2>
      <p>Lake Tahoe is one of the most breathtaking attractions located in California. It's home to a number of ski resorts, summer outdoor recreation, and tourist attractions. Snow and skiing are a significant part of the area's reputation.</p>
    </div>
    <footer id='main-footer'>
      All rights reserved to the state of California.
    </footer>
  </body>
</html>

1 Answer

Steven Parker
Steven Parker
216,136 Points

The instructions say: "Then, in style.css, select the footer ID and apply a 40px top margin."

So,

  • the CSS should select the footer by using the ID instead of the tag name
  • the value of 40px is correct, but it should be applied to the top margin
  • "main-footer" is not a CSS property name