Build a City Skyline - Step 21

.bb1 {
  width: 10%;
  height: 70%;
  display: flex;
  flex-direction: column;
  align-items: center;
  --building-color1: #aa80ff;
  --building-color2: #66cc99;
}

.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, green);
}

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

**Step 21
Create a new variable below the other ones named --building-color3 and give it a value of #cc6699. Then use it as the background-color of the .bb3 class and give it a fallback value of pink. Sorry, your code does not pass. Hang in there.

You should give --building-color3 a value of #cc6699.**

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