CSS text-box-trim & text-box-edge

Provides the ability to remove the vertical space appearing above and below text glyphs, allowing more precise positioning and alignment. Previously specified as the `leading-trim` & `text-edge` properties.

CSS Flexible Box Layout Module

Method of positioning elements in horizontal or vertical stacks. Support includes all properties prefixed with `flex`, as well as `display: flex`, `display: inline-flex`, `align-content`, `align-items`, `align-self`, `justify-content` and `order`.

css property: vertical-align

css property: vertical-align: baseline

css property: vertical-align: bottom

css property: vertical-align: middle

css property: vertical-align: sub

css property: vertical-align: super

css property: vertical-align: text-bottom

css property: vertical-align: text-top

css property: vertical-align: top