* Hide the docs nav on mobile, redesign it for two columns on narrow devices

* Tweak spacing on ToC

* Redesign sidebar and subnav

* Revamp subnav mobile layout so everything's on one line

* Tighten up masthead a little

* Switch the icon for the subnav and do a little icon toggling

* Fix mobile overflow since we changed guters stuff

* Add the widths

* make the subnav icon purple

Fix unintentional unit change in https://github.com/twbs/bootstrap/commit/1af79bbc5267428af9fcb4a8fc9e6ab0b30328f4#diff-d8ee409a461718bfb6240710c8c73382

* Replace existing carousel control icons with chevrons from Bootstrap Icons

* Add .carousel-dark variant

* Test

* Add variable for .carousel-dark filter

* Update _variables.scss

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

* Add .dropdown-menu-dark

* Match background color to navbar dark

* Update docs to include a navbar example

* Update dropdowns.md

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

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

- Replaces make-container mixin's padding-x param with gutter to match naming
- Changes value of container padding variable to match grid gutter width variable
- Uses local CSS variable for container padding

Fixes #31642

- Remove group selector for ratio items
- Drop the .ratio-item entirely
- Update docs to explain updated approach
- Update Migration guide to reflect the latest

- Renames .embed-responsive-XbyY classes to .embed-responsive-XxY
- Simplifies the Sass map to just be key and value, ratio and percentage
- Builds .embed-responsive-* modifiers with CSS variables
- Updates docs to show power of CSS variables
- Add notes to the Migration guide

Update toasts dismiss (moving more styles to CSS instead of utilities), fix some more close examples, and add a new .btn-close-white variant

Bumps [rollup](https://github.com/rollup/rollup) from 2.26.11 to 2.28.1.
- [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/v2.26.11...v2.28.1

)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Bumps [@rollup/plugin-commonjs](https://github.com/rollup/plugins) from 15.0.0 to 15.1.0.
- [Release notes](https://github.com/rollup/plugins/releases)
- [Commits](https://github.com/rollup/plugins/compare/commonjs-v15.0.0...commonjs-v15.1.0

)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Bumps [eslint-plugin-unicorn](https://github.com/sindresorhus/eslint-plugin-unicorn) from 21.0.0 to 22.0.0.
- [Release notes](https://github.com/sindresorhus/eslint-plugin-unicorn/releases)
- [Commits](https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v21.0.0...v22.0.0

)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Extra position utilities

Given that there are utilities for the *position* property, it seems logic to have utilities for the *top*, *left*, *bottom* and *right* propertires.

* Update extra position utilities

* add default position values map

* tweak examples

* add real life examples

* fix double colon

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

Format snippets

potcss-loader now uses the `postcssOptions` key. https://www.npmjs.com/package/postcss-loader

* Fix GitHub's permanent redirects

* Fix a11yproject redirects

* Update postcss-loader repo URL to the current  one