freeCodeCamp/curriculum/challenges/english/01-responsive-web-design/css-variables-skyline/part-005.md

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---
id: 5d822fd413a79914d39e98cd
title: Part 5
challengeType: 0
dashedName: part-5
---
# --description--
In CSS, you can target everything with an asterisk. Add a border to everything by using the `*` selector in your style area and giving it a `border` of `1px solid black`. This is a trick I like to use to help visualize where elements are and their size. You will remove this later.
# --hints--
test-text
```js
assert(
code.match(
/<style\s*>\s*\*\s*{\s*border\s*:\s*1px\s+solid\s+black\s*;?\s*}\s*<\/style\s*>/g
)
);
```
# --seed--
## --seed-contents--
```html
<!DOCTYPE html>
<html>
<head>
<title>freeCodeCamp Skyline Project</title>
<style></style>
</head>
<body>
</body>
</html>
```
# --solutions--
```html
<!DOCTYPE html>
<html>
<head>
<title>freeCodeCamp Skyline Project</title>
<style>
* {
border: 1px solid black;
}
</style>
</head>
<body>
</body>
</html>
```