Learn CSS Variables by Building a City Skyline - Step 35

HTML-CSS
1

Hello,

i get an error messsage and dont know where the mistake is.
Can you please look over it?

that is the erorr message
You should give .fb1 a background-color using --building-color4.

Thanks :slight_smile:

<!-- 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>

    <div class="foreground-buildings">
      <div class="fb1"></div>
      <div class="fb2"></div>
      <div class="fb3"></div>
      <div class="fb4"></div>
      <div class="fb5"></div>
      <div class="fb6"></div>
    </div>
  </body>
</html>

/* file: styles.css */
:root {
  --building-color1: #aa80ff;
  --building-color2: #66cc99;
  --building-color3: #cc6699;
  --building-color4: #538cc6;
}

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

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

.background-buildings, .foreground-buildings {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-evenly;
  position: absolute;
  top: 0;
}

.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);
}

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

.bb3 {
  width: 10%;
  height: 55%;
  background-color: var(--building-color3);
}

.bb4 {
  width: 11%;
  height: 58%;
  background-color: var(--building-color4);
}
.fb1 {
  width: 10%;
  height: 60%;
  background-color: --building-color4;
  
}

.fb2 {
  width: 10%;
  height: 40%;
}

.fb3 {
  width: 10%;
  height: 35%;
  background-color:--building-color1;
}

.fb4 {
  width: 8%;
  height: 45%;
  background-color:--building-color1;
}

.fb5 {
  width: 10%;
  height: 33%;
  background-color:--building-color2;
}

.fb6 {
  width: 9%;
  height: 38%;
  background-color:--building-color3;
}

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:105.0) Gecko/20100101 Firefox/105.0

Challenge: Learn CSS Variables by Building a City Skyline - Step 35

Link to the challenge:

2

I quoted two blocks of code for you.
Do you notice how a variable is referenced in the earlier block (.bb4)?
Now look at yours? What is missing?

3

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