Remove borders from iframes by default (#30620)

[type=radio] should always be rounded (#30686)

Add a script to zip the built examples (#30130)

`<pre>`: Disable auto-hiding scrollbar in legacy Edge (#30685)

Disable auto-hiding scrollbar in legacy Edge to avoid overlap, making it impossible to interact with the content.

masthead-followup: Add missing traling slash (#30681)

Update codeql.yml (#30679)

* run the action on PRs too
* specify `javascript` language
* remove comments
* reindent

Move codeql.yml one dir up (#30677)

Add CodeQL Analysis workflow (#30676)

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

Update config.yml (#30671)

Drop closest from SelectorEngine (#30653)

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

CI: remove no longer needed steps (#30674)

The latest `actions/setup-node` prints this info by default

Regenerate package-lock.json (#30673)

Bump find-unused-sass-variables from 1.0.5 to 2.0.0 (#30672)

Bumps [find-unused-sass-variables](https://github.com/XhmikosR/find-unused-sass-variables) from 1.0.5 to 2.0.0.
- [Release notes](https://github.com/XhmikosR/find-unused-sass-variables/releases)
- [Commits](https://github.com/XhmikosR/find-unused-sass-variables/compare/v1.0.5...v2.0.0)

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Bump eslint-plugin-unicorn from 18.0.1 to 19.0.1 (#30663)

* Bump eslint-plugin-unicorn from 18.0.1 to 19.0.1

Bumps [eslint-plugin-unicorn](https://github.com/sindresorhus/eslint-plugin-unicorn) from 18.0.1 to 19.0.1.
- [Release notes](https://github.com/sindresorhus/eslint-plugin-unicorn/releases)
- [Commits](https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v18.0.1...v19.0.1)

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* ESlint: disable a few new rules for now.

* unicorn/no-fn-reference-in-iterator
* unicorn/no-null

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Bump postcss-cli from 7.1.0 to 7.1.1 (#30670)

Bumps [postcss-cli](https://github.com/postcss/postcss-cli) from 7.1.0 to 7.1.1.
- [Release notes](https://github.com/postcss/postcss-cli/releases)
- [Changelog](https://github.com/postcss/postcss-cli/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss-cli/compare/7.1.0...7.1.1)

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Bump hugo-bin from 0.57.0 to 0.57.2 (#30668)

Bumps [hugo-bin](https://github.com/fenneclab/hugo-bin) from 0.57.0 to 0.57.2.
- [Release notes](https://github.com/fenneclab/hugo-bin/releases)
- [Commits](https://github.com/fenneclab/hugo-bin/compare/v0.57.0...v0.57.2)

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Bump rollup from 2.6.1 to 2.7.3 (#30666)

Bumps [rollup](https://github.com/rollup/rollup) from 2.6.1 to 2.7.3.
- [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/v2.6.1...v2.7.3)

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Bump node-sass from 4.13.1 to 4.14.0 (#30667)

Bumps [node-sass](https://github.com/sass/node-sass) from 4.13.1 to 4.14.0.
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sass/node-sass/compare/v4.13.1...v4.14.0)

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Bump terser from 4.6.11 to 4.6.12 (#30664)

Bumps [terser](https://github.com/terser/terser) from 4.6.11 to 4.6.12.
- [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/v4.6.11...v4.6.12)

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Bump shelljs from 0.8.3 to 0.8.4 (#30665)

Bumps [shelljs](https://github.com/shelljs/shelljs) from 0.8.3 to 0.8.4.
- [Release notes](https://github.com/shelljs/shelljs/releases)
- [Changelog](https://github.com/shelljs/shelljs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/shelljs/shelljs/compare/v0.8.3...v0.8.4)

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Prevent list group style leaks (#30660)

Fill in some unusedcss section links

Update CSS variables docs

- Rename available vars section to root vars and mention they're globally available
- Add new component vars section and link to table docs for WIP example

Include code snippet for lean JS section

Add example of a custom component using docs callouts

Update shortcode usage

wordsmithing

pull in latest from old theming page

Use scss-docs for color maps

Add more context to customizing components

Add overview intro to the Customize section

Rewrite Theming docs as Customize section

- Broke up existing theming page into separate pages
- Audited and updated each new docs page (some pages include some TBD sections)
- Update sidenav to reflect changes
- Fix links that pointed to the old Theming page
- Update docs styles to reflect recent changes
- Rewrite some bits in the Migration page

Create a new table shortcode so we can easily add Bootstrap table classes to Markdown tables

Rename variables for brevity

- Rename `$enable-prefers-reduced-motion-media-query` to `$enable-reduced-motion`
- Rename `$enable-pointer-cursor-for-buttons` to `$enable-button-pointers`

Remove existing Theming page as we build out a new Customize section

Remove caret element (#30633)

Update table docs copy

Co-Authored-By: Mark Otto <markd.otto@gmail.com>

Customizable table group seperator colors

Add bs prefix

Prevent nested tables style leaks

Bump karma from 5.0.1 to 5.0.2 (#30629)

Bumps [karma](https://github.com/karma-runner/karma) from 5.0.1 to 5.0.2.
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma/compare/v5.0.1...v5.0.2)

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Bump stylelint from 13.3.2 to 13.3.3 (#30628)

Bumps [stylelint](https://github.com/stylelint/stylelint) from 13.3.2 to 13.3.3.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/stylelint/stylelint/compare/13.3.2...13.3.3)

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Add `$form-text-font-weight` (#30617)

Drop `@support (position: sticky)` media query (#30415)

grid: checks for `$grid-columns > 0` (#30605)

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

Remove negative margins leftovers (#30596)

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

feat: checks for `$grid-breakpoints` map list (#30609)

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

Improve docs-sidebar.html (#30567)

Reduce the output HTML

Fix crash when pressing ArrowUp the first time

Replace event.delegateTarget with event.target

No need for fixEvent() anymore

Replace event.which with event.key and event.button

collapse: don't rely on implicit conversion (#30566)

`config` can be an `Object` and we only need to test for `hide` or `show` if it's a `String`

feat: checks for `$grid-row-columns` (#30606)

feat: removes `.form-text` display (#30598)

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

Create config.yml

Add `bs-` prefixes to custom properties (#30591)

guuters.md: fix link and highlight (#30595)

Disable negative margins by default (#30585)

* Disable negative margins by default

* Use shorter enable variable

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

v5: Improve the responsiveness of our Dashboard example (#30573)

Cleans up some column classes to ensure things line up across all viewports. Also fixes some broken padding on the .navbar-brand.

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

Slight adjustment to the h3 heading spacing in docs

v5: Update system font stack (#30561)

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

Update release-drafter.yml

Update release-drafter.yml

Merge pull request #30460 from twbs/release-drafter

Add Release Drafter Action

Delete appearance from `button.close` (#30582)

Simplify checkbox & radio input (#30557)

- Define background properties in `.form-check-input`
- Use `background-size: contain` to simplify background sizes (especially for those with linear gradients)
- Remove double `color-adjust`
- Adjust svgs to 20x20 box. This way the strokes aren't rescaled.

Update RFS to 9.0.3 (#30581)

* Two dimensional fix - https://github.com/twbs/rfs/pull/225

Redo display headings (#30568)

- Convert to Sass map
- Consolidate font-weights into single option (matching line-height for them)
- Add two new sizes and create a new scale
- Update migration docs

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

Restore `.form-text` (#30565)

Merge pull request #30354 from twbs/grid-xxl-and-sidebar-toc

v5: Add new `xxl` grid tier and move ToC to a sidebar

Merge branch 'master' into release-drafter

Update docs for new XXL grid tier

- Updates mentions of number and exact tiers
- Updates grid example to include xxl container
- Adds some scss-docs references
- Cleans up other grid mentions and docs
- Updates navbar example to include an expand at XXL variant

Clarify media query using .02px and bump from callout to warning

layout/z-index.md: retrieve z-index variables on build time

Update file size for the grid build

Rewrite grid docs to account for new grid tier

- Breaks grid content across multiple pages
- Updates mentions of grid tiers from five to six
- Rewrites how it works sections to reference new options and tiers

Move table of contents to new sidebar, restyle it to be simpler

Add an xxl grid tier

- Staring at my laptop, I realized I'm wasting away space. This adds a
significant amount of CSS, but it feels right already.
- Added the xxl tier with a width that divides by 12
- Motivation was originally trying to have a third column for our toc so
that our docs are more useful

Update devDependencies (#30544)

* @babel/plugin-proposal-object-rest-spread   ^7.9.0  →   ^7.9.5
* @babel/preset-env                           ^7.9.0  →   ^7.9.5
* @rollup/plugin-commonjs                    ^11.0.2  →  ^11.1.0
* @rollup/plugin-node-resolve                 ^7.1.1  →   ^7.1.3
* hugo-bin                                   ^0.56.3  →  ^0.57.0
* karma                                       ^4.4.1  →   ^5.0.1
* nodemon                                     ^2.0.2  →   ^2.0.3
* rollup                                      ^2.3.3  →   ^2.6.1
* stylelint                                  ^13.3.0  →  ^13.3.2
* terser                                     ^4.6.10  →  ^4.6.11

Use `box-shadow` mixin for `.btn` (#30512)

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

Use `box-shadow` mixin for `.form-select` (#30555)

Use custom properties for font-stacks (#30509)

Remove redundant class and line height (#30542)

Pass multiple classes to `classList.add` / `classList.remove` (#30537)

This is supported by our currently supported browsers.

Add v4-dev in bundlewatch config. (#30541)

Add checkbox transition (#30528)

Replace bundlesize with bundlewatch. (#30538)

Fix spinner-grow animation (#30504)

* Fix spinner-grow animation

Safari seems to be interpreting the old keyframes animation as incomplete. Adding `transform` to the second frame seems to resolve the issue.

Co-Authored-By: Martijn Cuppens <martijn.cuppens@gmail.com>

Use correct hex color code(#30533)

Bump autoprefixer from 9.7.5 to 9.7.6 (#30524)

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 9.7.5 to 9.7.6.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/autoprefixer/compare/9.7.5...9.7.6)

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Bump rollup from 2.3.2 to 2.3.3 (#30523)

Bumps [rollup](https://github.com/rollup/rollup) from 2.3.2 to 2.3.3.
- [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/v2.3.2...v2.3.3)

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Bump stylelint from 13.2.1 to 13.3.0 (#30522)

Bumps [stylelint](https://github.com/stylelint/stylelint) from 13.2.1 to 13.3.0.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/stylelint/stylelint/compare/13.2.1...13.3.0)

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Create `scss-docs` shortcode to get some snippets from the Scs… (#30502)

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

Add `.card-footer` color (#30515)

Add nav link transition (#29988)

Update devDependencies and regenerate package-lock.json (#30501)

* linkinator 2.0.6
* rollup 2.3.2
* terser 4.6.10

We are now down to one low npm vulnerability

Fix card list group borders & radii (#30497)

Use `box-shadow` mixin for form controls (#30480)

Always modal scroll top to 0

Fix border radii