---
id: 5d822fd413a79914d39e9911
title: Step 73
challengeType: 0
dashedName: step-73
---
# --description--
Looks good! On to the foreground buildings! Turn the `.fb1` building into three sections by nesting three new `div` elements within it. Give them the classes of `fb1a`, `fb1b` and `fb1c`, in that order.
# --hints--
You should add three `div` elements within `.fb1`.
```js
assert.equal(document.querySelector("div.fb1")?.children?.length, 3);
```
You should give the first new `div` a class of `fb1a`.
```js
assert.exists(document.querySelector("div.fb1 > div.fb1a"));
```
You should give the second new `div` a class of `fbab`.
```js
assert.exists(document.querySelector("div.fb1 > div.fb1b"));
```
You should give the third new `div` a class of `fb1c`.
```js
assert.exists(document.querySelector("div.fb1 > div.fb1c"));
```
You should place the new `div` elements in this order `.fb1a + .fb1b + .fb1c`.
```js
assert.exists(document.querySelector("div.fb1a + div.fb1b"));
assert.exists(document.querySelector("div.fb1b + div.fb1c"));
```
# --seed--
## --seed-contents--
```html