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---
id: 5d822fd413a79914d39e98cf
title: Part 7
challengeType: 0
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dashedName: part-7
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---
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# --description--
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You can see the body, it's the horizontal line on your page; the box around it is the html element. Make your body fill the whole viewport by giving it a `height` of `100vh` . Remove the default margin from the body by setting the `margin` to `0` . Finally, set the `overflow` property to `hidden` to hide any scroll bars that appear when something extends past the viewport.
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# --hints--
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test-text
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```js
const body = code.match(/body\s*{[\s\S]+?[^}]}/g)[0];
assert(
/height\s*:\s*100vh\s*(;|})/g.test(body) &&
/margin\s*:\s*(0|0px)\s*(;|})/g.test(body) &&
/overflow\s*:\s*hidden\s*(;|})/g.test(body)
);
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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 >
* {
border: 1px solid black;
box-sizing: border-box;
}
< / style >
< / head >
< body >
< / body >
< / html >
```
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# --solutions--
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```html
<!DOCTYPE html>
< html >
< head >
< title > freeCodeCamp Skyline Project< / title >
< style >
* {
border: 1px solid black;
box-sizing: border-box;
}
body {
height: 100vh;
margin: 0;
overflow: hidden;
}
< / style >
< / head >
< body >
< / body >
< / html >
```
