1. CSS Grid Layout (level 1)

    Method of using a grid concept to lay out content, providing a mechanism for authors to divide available space for layout into columns and rows using a set of predictable sizing behaviors. Includes support for all `grid-*` properties and the `fr` unit.

  2. CSS Table display

    Method of displaying elements as tables, rows, and cells. Includes support for all `display: table-*` properties as well as `display: inline-table`

  3. css property: display: inline-table

  4. css property: display: `table`, `table-cell`, `table-column`, `table-column-group`, `table-footer-group`, `table-header-group`, `table-row`, and `table-row-group`

  5. php