Typhography features in bootstrap.
roboot.css Bootstrap uses Rems instead of ems across the platforms and between elements. Bootstrap avoids margin-top and always add margin at the bottom of elements. you should avoid it as much as possible. Bootstrap also uses inherit property as much possible. this is more important when you want to override the styles of bootstrap. border-box sizing.. easy to calculate the width of element, when specify the width with border box the new padding will not add into box. native-font-stacks special styles match headlines leap paragraphs common page patterns