Adding lightest opacity of all for table rows

Striped tables use 2% and 5% opacity backgrounds, so we need to have
the 2% as a variable in the palettes to be called on.
Table Striping Colors

adding to palette 4% and 2% opacities.
Arranging Table Cells

Making table flexible and experimenting with cell widths to accommodate
size changes.
Classing Cells and Headers

Making sure specific cells and headers share size constraints.