Global settings Bootstrap sets basic global display, typography, and link styles. When more control is needed, check out the textual utility classes. Use a native font stack that selects the best font-family for each OS and device. For a more inclusive and accessible type scale, we assume the browser default root font-size (typically 16px) so visitors can customize their browser defaults as needed. Use the $font-family-base, $font-size-base, and $line-height-base attributes as our typographic base applied to the . Set the global link color via $link-color and apply link underlines only on :hover. Use $body-bg to set a background-color on the (#fff by default).