The `prev()` function doesn't take nodes other than elements into account. Also we could simplify things a lot using the `previousElementSibling` property. This property isn't fully supported in IE, it only works for elements, but since the `element` variable is an element, we can safely use it here.

I've also added an additional test.

I don't think we had this issue in v4, since we relied on jQuery back then.

Ref. https://developer.mozilla.org/en-US/docs/Web/API/NonDocumentTypeChildNode/nextElementSibling

The image is always available over HTTPS anyway

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

This PR removes unsupported browsers from supported tables based on the current `.browserlistrc` config

Bumps [hugo-bin](https://github.com/fenneclab/hugo-bin) from 0.53.3 to 0.54.0.
- [Release notes](https://github.com/fenneclab/hugo-bin/releases)
- [Commits](https://github.com/fenneclab/hugo-bin/compare/v0.53.3...v0.54.0

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Bumps [terser](https://github.com/terser/terser) from 4.6.4 to 4.6.6.
- [Release notes](https://github.com/terser/terser/releases)
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/terser/terser/compare/v4.6.4...v4.6.6

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Bumps [cross-env](https://github.com/kentcdodds/cross-env) from 7.0.0 to 7.0.2.
- [Release notes](https://github.com/kentcdodds/cross-env/releases)
- [Changelog](https://github.com/kentcdodds/cross-env/blob/master/CHANGELOG.md)
- [Commits](https://github.com/kentcdodds/cross-env/compare/v7.0.0...v7.0.2

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Bumps [@babel/preset-env](https://github.com/babel/babel) from 7.8.6 to 7.8.7.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.8.6...v7.8.7

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Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Bumps [@babel/core](https://github.com/babel/babel) from 7.8.6 to 7.8.7.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.8.6...v7.8.7

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Bumps [rollup](https://github.com/rollup/rollup) from 1.32.0 to 1.32.1.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v1.32.0...v1.32.1

)

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Also add `set -e` so that if a command fails the whole script fails too.

Co-authored-by: Shohei Yoshida <fellows3@gmail.com>
Co-authored-by: Martijn Cuppens <martijn.cuppens@gmail.com>

* style: groups sections

- adds two nl before any section
- extract elements from wrong section ex: `mark` from `form`

* style: format comments

* style: sticks all `see`s with the description

- sticks
- renames

* style: removes not needed spaces

* style: removes not needed number like other cases

* style: stick credits with description

* style: adds missing number

* Thin out embedded examples borders, rounded their corners
* Fix busted class
* Adjust nesting of .bd-example styles, tweak padding while I'm at it
* combine selectors
* cleanup some margins that always cancel each other out
* Remove redundant universal selector

Co-authored-by: Martijn Cuppens <martijn.cuppens@gmail.com>

Bumps [linkinator](https://github.com/JustinBeckwith/linkinator) from 2.0.2 to 2.0.3.
- [Release notes](https://github.com/JustinBeckwith/linkinator/releases)
- [Commits](https://github.com/JustinBeckwith/linkinator/compare/v2.0.2...v2.0.3

)

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Use the `min-content` property.

Bumps [hugo-bin](https://github.com/fenneclab/hugo-bin) from 0.52.2 to 0.53.3.
- [Release notes](https://github.com/fenneclab/hugo-bin/releases)
- [Commits](https://github.com/fenneclab/hugo-bin/compare/v0.52.2...v0.53.3

)

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Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Bumps [rollup](https://github.com/rollup/rollup) from 1.31.1 to 1.32.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v1.31.1...v1.32.0

)

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Bumps [babel-eslint](https://github.com/babel/babel-eslint) from 10.0.3 to 10.1.0.
- [Release notes](https://github.com/babel/babel-eslint/releases)
- [Commits](https://github.com/babel/babel-eslint/compare/v10.0.3...v10.1.0

)

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Bumps [@babel/preset-env](https://github.com/babel/babel) from 7.8.4 to 7.8.6.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.8.4...v7.8.6

)

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Bumps [@babel/core](https://github.com/babel/babel) from 7.8.4 to 7.8.6.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.8.4...v7.8.6

)

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Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Bumps [linkinator](https://github.com/JustinBeckwith/linkinator) from 2.0.1 to 2.0.2.
- [Release notes](https://github.com/JustinBeckwith/linkinator/releases)
- [Commits](https://github.com/JustinBeckwith/linkinator/compare/v2.0.1...v2.0.2

)

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Bumps [vnu-jar](https://github.com/validator/validator) from 20.2.25 to 20.2.28.
- [Release notes](https://github.com/validator/validator/releases)
- [Changelog](https://github.com/validator/validator/blob/master/CHANGELOG.md)
- [Commits](https://github.com/validator/validator/compare/v20.2.25...v20.2.28

)

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Bumps [vnu-jar](https://github.com/validator/validator) from 20.1.2 to 20.2.25.
- [Release notes](https://github.com/validator/validator/releases)
- [Changelog](https://github.com/validator/validator/blob/master/CHANGELOG.md)
- [Commits](https://github.com/validator/validator/compare/v20.1.2...v20.2.25

)

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Bumps [terser](https://github.com/terser/terser) from 4.6.3 to 4.6.4.
- [Release notes](https://github.com/terser/terser/releases)
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/terser/terser/compare/v4.6.3...v4.6.4

)

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This will allow each branch/preview to have its own base URL instead of the default one of the main site (getbootstrap.com).

This is set automatically to "development" when the local server is running, and to "production" when Hugo builds the site.