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 Selectors Advanced Selectors Pseudo-Elements Challenge

Posted by mo ode
mo ode
4,352 Points

Let's use pseudo-elements to create a progress bar from a single element. First, in the top .progbar selector, add the p

Let's use pseudo-elements to create a progress bar from a single element. First, in the top .progbar selector, add the pseudo-element that will insert content after the element. Can anyone help me with the Challenge Task 1-4 please ? I don't know how to do this.

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

.progbar .after:{
  display: block;
  width: 50%;
  height: 100%;
  border-radius: inherit;
    background-color: #5ece7f; 
}

.progbar {

    display: block;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    position: absolute;
    left: 49%;
    top: -9px;
    background-color: #7dd898; 
}

.progbar {
  height: 6px;
  border-radius: 3px;
  background: #d6d7d9;
  position: relative;
  margin-bottom: 3.875em; 
}
index.html 
<!DOCTYPE html>
<html>
<head>
    <title>Selectors</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="page.css">
  <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="progbar"></div> 
    <a href="http://teamtreehouse.com">Check out the URL: </a>
</body>
</html>
Steven Parker
Steven Parker
240,995 Points
Steven Parker
Steven Parker
240,995 Points

This question seems to be a duplicate. You might want to delete the other one.

2 Answers

sergio alvarez
sergio alvarez
15,205 Points
sergio alvarez
sergio alvarez
15,205 Points

Hi, You have to remember that to use a Pseudo Element you need to use the ":" symbol, so the challenge wants you to use the ":after", you use a class, that is why there is an error

moji li
seal-mask
.a{fill-rule:evenodd;}techdegree
moji li
Front End Web Development Techdegree Student 2,216 Points
moji li
.a{fill-rule:evenodd;}techdegree
moji li
Front End Web Development Techdegree Student 2,216 Points 
.progbar::after {
  display: block;
  width: 50%;
  height: 100%;
  border-radius: inherit;
    background-color: #5ece7f; 
}