Updates the grid.

Rearranges .row and .grid. Modifies .grid-list to extend .grid. Adds a .standalone-unit for offsetting child grid-units from their parent grid-units.
Updates the grid.

Rearranges .row and .grid. Modifies .grid-list to extend .grid. Adds a .standalone-unit for offsetting child grid-units from their parent grid-units.