Converts modals to use CSS variables. Lots of opportunity for cleanup in these come v6 when we can remove some Sass variables. For example, we have border-color and border-width for modal, modal header, and modal footer when it should just be one set of CSS vars on the base class that can be optionally overridden on the sub-class.
Todos:
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Scrolling long content seems broken? -
Convert transition and transforms to CSS vars? -
Bundlewatch?