- Adds new root CSS variables for
border-radius
,border-width
,border-color
, andborder-style
- Adds new root CSS variables for heading-color, link-colors, code color, and highlight color
- Replaces most instances of Sass variables (for border-radius, border-color, and border-width) for CSS variables inside
_variables.scss
- Updates
$mark-padding
to be an even pixel number - Renames
$variable-prefix
to$prefix
throughout
Cherry-picked from https://github.com/twbs/bootstrap/pull/35736. /cc @XhmikosR