Learn CSS Variables by Building a City Skyline - Step 10

HTML-CSS
1

Tell us what’s happening:

Open your styles.css file, and give .bb1 a width of 10% and height of 70%. “bb” stands for “background building”, this will be your first building. my question is i am doing all my ways to open a css file below the html div tag but it doesn’t work guide me how to it

Your code so far

<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">    
  <head>
    <meta charset="UTF-8">
    <title>City Skyline</title>
    <link href="styles.css" rel="stylesheet" />
  </head>

  <body>

<!-- User Editable Region -->

    <div class="background-buildings">
      <div class="bb1"></div>
    </div>

styles.css .bb1{
  width:10%;
  height:70%;
} 


<!-- User Editable Region -->

  </body>
</html>

/* file: styles.css */
* {
  border: 1px solid black;
  box-sizing: border-box;
}

body {
  height: 100vh;
  margin: 0;
  overflow: hidden;
}

.background-buildings {
  width: 100%;
  height: 100%;
}

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36 Edg/128.0.0.0

Challenge Information:

Learn CSS Variables by Building a City Skyline - Step 10

2

You’ve put this in your HTML file. Look for the styles.css button in the menu at the top left.

You should have “index.html” and “styles.css”. click them both a few times so you can see how it opens the two different documents.

Reset the step and add your code to the styles.css document