* Tweak callout for icon link
- no need to talk about `alt` for `<img>` since these don't use `<img>`
- make start of sentence more readable
* Tweak language of dropdown warning callout
* Tweak popover warning callout
* Tweak rtl warning callouts
* Tweak color warning callout
* Add/move accessibility callout for color to relevant pages
* Update site/content/docs/5.3/helpers/icon-link.md
* Update site/layouts/partials/callouts/warning-color-assistive-technologies.md
Co-authored-by: Mark Otto <markd.otto@gmail.com>
* Docs: replace twbs/bootstrap-npm-starter by twbs/examples/tree/main/icons-font
* Revamp starter template to use new .icon-link, fix Bootstrap icon and text at top
* Remove extra CSS file
* Change links to twbs/examples
* Fix icon name
* Adjust icon link offset to more reasonable and scaling distance
Co-authored-by: Mark Otto <markdotto@gmail.com>