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

HTML Introduction to HTML and CSS (2016) Make It Beautiful With CSS Adding a Style to several Elements using Class

Dylan Gifford
Dylan Gifford
2,014 Points
Posted by Dylan Gifford
Dylan Gifford
2,014 Points

What does it mean by create a rule?

It is asking me to create a rule for a class element

index.html 
<!doctype html>
<html>
  <head>
    <title>List Example</title>
    <link rel="stylesheet" href="styles.css">
  </head>
  <body>

    <a class="social-links" href="#">Follow me on Twitter!</a>
    <a class="social-links" href="#">Send me an Email!</a>

  </body>
</html>
styles.css 
.social-link

1 Answer

Steven Parker
Steven Parker
231,248 Points
Steven Parker
Steven Parker
231,248 Points

A "rule" in CSS consists of a selector and a declaration block: The selector points to the HTML element(s) you want to style. The declaration block contains one or more declarations separated by semicolons. Each declaration includes a CSS property name and a value, separated by a colon.

selector {
    property: value;
    /* optionally more properties and values */
}

The code shown in styles.css appears to the be the selector portion of an unfinished rule. It selects items that have a class of "social-link".