Learn CSS Variables by Building a City Skyline - Step 26

HTML-CSS
1

Tell us what’s happening:
Describe your issue in detail here.
Hi team, as you can see I removed the fallback values from the code, but I can’t move forward.
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>
    <div class="background-buildings">
      <div></div>
      <div></div>
      <div class="bb1">
        <div class="bb1a"></div>
        <div class="bb1b"></div>
        <div class="bb1c"></div>
        <div class="bb1d"></div>
      </div>
      <div class="bb2"></div>
      <div class="bb3"></div>
      <div></div>
      <div class="bb4"></div>
      <div></div>
      <div></div>
    </div>
  </body>
</html>

/* file: styles.css */
:root {
  --building-color1: #aa80ff;
  --building-color2: #66cc99;
  --building-color3: #cc6699;
}

* {
  border: 1px solid black;
  box-sizing: border-box;
}

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

.background-buildings {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-evenly;
}

.bb1 {
  width: 10%;
  height: 70%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bb1a {
  width: 70%;
  height: 10%;
  background-color: var(--building-color1);
}

.bb1b {
  width: 80%;
  height: 10%;
  background-color: var(--building-color1);
}

.bb1c {
  width: 90%;
  height: 10%;
  background-color: var(--building-color1);
}

.bb1d {
  width: 100%;
  height: 70%;
  background-color: var(--building-color1);
}

/* User Editable Region */

.bb2 {
  width: 10%;
  height: 50%;
  
}

.bb3 {
  width: 10%;
  height: 55%;
 
}

/* User Editable Region */

.bb4 {
  width: 11%;
  height: 58%;
}

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Edg/115.0.1901.203

Challenge: Learn CSS Variables by Building a City Skyline - Step 26

Link to the challenge:

2 
.bb2 {
  width: 10%;
  height: 50%;
  background-color: var(--building-color2, green);
}

You are asked to remove the fallback values from selectors such as this one.
What you have done is remove the entire property and all values.
The fallback value is the one which is defaulted to in case the first value is not valid for some reason.

So, the fallback value above is ‘green’. This is what the background-color property will default to if it can’t find a valid value via the variable --building-color2.

Reset this step and then remove the specified fallback values only.

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