.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.**