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---
id: 5d822fd413a79914d39e98ee
title: Part 38
challengeType: 0
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dashedName: part-38
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---
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# --description--
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Your code is starting to get quite long. Add a comment above the `fb1` class that says `FOREGROUND BUILDINGS - "fb" stands for "foreground building"` to help people understand your code. Above the `bb1` class add another comment that says `BACKGROUND BUILDINGS - "bb" stands for "background building"` . If you don't remember, comments in CSS look like this: `/* Comment here */` .
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# --hints--
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test-text
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```js
assert(
/\/\*\s*BACKGROUND BUILDINGS - "bb" stands for "background building"\s*\*\//g.test(
code
) & &
/\/\*\s*FOREGROUND BUILDINGS - "fb" stands for "foreground building"\s*\*\//g.test(
code
)
);
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```
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# --seed--
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## --seed-contents--
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```html
<!DOCTYPE html>
< html >
< head >
< title > freeCodeCamp Skyline Project< / title >
< style >
: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: var(--building-color4);
}
.fb2 {
width: 10%;
height: 40%;
background-color: var(--building-color3);
}
.fb3 {
width: 10%;
height: 35%;
background-color: var(--building-color1);
}
.fb4 {
width: 8%;
height: 45%;
background-color: var(--building-color1);
position: relative;
left: 10%;
}
.fb5 {
width: 10%;
height: 33%;
background-color: var(--building-color2);
position: relative;
right: 10%;
}
.fb6 {
width: 9%;
height: 38%;
background-color: var(--building-color3);
}
< / style >
< / 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 > < / div >
< div > < / div >
< div class = "fb1" > < / div >
< div class = "fb2" > < / div >
< div > < / div >
< div class = "fb3" > < / div >
< div class = "fb4" > < / div >
< div class = "fb5" > < / div >
< div class = "fb6" > < / div >
< div > < / div >
< div > < / div >
< / div >
< / body >
< / html >
```
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# --solutions--
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```html
<!DOCTYPE html>
< html >
< head >
< title > freeCodeCamp Skyline Project< / title >
< style >
: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;
}
/* BACKGROUND BUILDINGS - "bb" stands for "background building" */
.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);
}
/* FOREGROUND BUILDINGS - "fb" stands for "foreground building" */
.fb1 {
width: 10%;
height: 60%;
background-color: var(--building-color4);
}
.fb2 {
width: 10%;
height: 40%;
background-color: var(--building-color3);
}
.fb3 {
width: 10%;
height: 35%;
background-color: var(--building-color1);
}
.fb4 {
width: 8%;
height: 45%;
background-color: var(--building-color1);
position: relative;
left: 10%;
}
.fb5 {
width: 10%;
height: 33%;
background-color: var(--building-color2);
position: relative;
right: 10%;
}
.fb6 {
width: 9%;
height: 38%;
background-color: var(--building-color3);
}
< / style >
< / 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 > < / div >
< div > < / div >
< div class = "fb1" > < / div >
< div class = "fb2" > < / div >
< div > < / div >
< div class = "fb3" > < / div >
< div class = "fb4" > < / div >
< div class = "fb5" > < / div >
< div class = "fb6" > < / div >
< div > < / div >
< div > < / div >
< / div >
< / body >
< / html >
```