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 Basics Basic Selectors ID and Class Selectors

how schould i do this plz target experience with an ID selector. Add a background-color property and set the value to li

<!DOCTYPE html>
<html lang="en">
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Developer Diane: Resume</title>
  <link rel="stylesheet" href="page.css">
  <link rel="stylesheet" href="style.css">
    <header class="main-header"></header>
        <h1 class="main-heading">Developer Diane: Resume</h1>
          <p>website: developerdiane.com</p>
          <p>email: diane@developerdiane.com</p>
        <img src="developer-diane.jpg" alt="Developer Diane coding on her laptop.">
   <section id= #"experience" background-color: lightsteelblue; >  
          <h3>Super Web Design Shop</h3>
          <p>Junior Developer</p>
          <p class="date special">February 2020-present</p>
          <h3>Pretty Good Websites, Inc.</h3>
          <p>Web Development Intern</p>
          <p>July 2019-January 2020</p>
    <footer>Ā©2020 Developer Diane.</footer>
/* Complete the challenge by writing CSS below */
.main-header {
 background-color: orange;
.main-heading {
  font-size: 72px;
#main-content {
   background-color: lightsteelblue;

1 Answer

Steven Parker
Steven Parker
229,657 Points

You already have an ID selector in your CSS, but it's for "main-content" instead of "experience". Just change the name to fulfill the instructions.

But you also have 3 errors (on 2 lines) in the HTML:

    <header class="main-header"></header>
<!--                            ^^^^^^^^^                                          -->
<!--                            this ending tag wasn't part of the instructions    -->

<!--           these 2 characters aren't part of the syntax                        -->
<!--           vv                                                                  -->
   <section id= #"experience" background-color: lightsteelblue; >  
<!--                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                   -->
<!--                          this is CSS code and should not also be here         -->

Thank you Steven Parker