First Public Working Draft: CSS Grid Layout Module Level 2

The CSS Working Group has published a First Public Working Draft of CSS Grid Layout Module Level 2. This CSS module defines a two-dimensional grid-based layout system, optimized for user interface design. In the grid layout model, the children of a grid container can be positioned into arbitrary slots in a predefined flexible or fixed-size layout grid. Level 2 expands Grid by adding “subgrid” capabilities for nested grids to participate in the sizing of their parent grids; and aspect-ratio–controlled gutters.
CSS is a language for describing the rendering of structured documents (such as HTML and XML) on screen, on paper, in speech, etc

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