1. 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`.

  2. css property: align-items

  3. css property: align-items: supported in flex layout

  4. css property: align-items: supported in flex layout: `baseline`

  5. css property: align-items: supported in flex layout: `first baseline`

  6. css property: align-items: supported in flex layout: `last baseline`

  7. css property: align-items: supported in flex layout: `safe` and `unsafe`

  8. css property: align-items: supported in flex layout: `start` and `end`

  9. css property: align-items: supported in grid layout

  10. css property: align-items: supported in grid layout: `start` and `end`