Opensource functional CSS border classes. Available on npm for production and unpkg for prototyping online.
npm install border.css
@import 'node_modules/border.css/border';@import 'node_modules/border.css/border-collapse';
@import 'node_modules/border.css/border-color';
@import 'node_modules/border.css/border-context';
@import 'node_modules/border.css/border-style';
@import 'node_modules/border.css/border-width';.border-separate.border-collapse
.border-current.border-transparent.top-transparent.left-transparent.right-transparent.bottom-transparent
.first-top-none.first-left-none.last-right-none.last-bottom-none
.border-none.top-none.left-none.right-none.bottom-none
.border-inset.border-groove.border-outset.border-ridge.border-dotted.border-dashed.border-solid.top-solid.left-solid.right-solid.bottom-solid
.border-double.border-hidden.top-hidden.left-hidden.right-hidden.bottom-hidden
.border-trim.top-trim.left-trim.right-trim.bottom-trim
.border-thin.border-medium.border-thick
border<top|left|right|bottom<first|lastnone< style <hidden