Test Column Resizer

## A basic grid with column resizing

Buttons to test changing column structure:
Buttons to test adjusting last column when resizing below the table's width:

## A basic grid with a period in its ID, to ensure injected size rules work

## Another grid w/ columns whose width initially exceed the table's width, placed within a relatively-positioned element

## Grid w/ columns whose resize will be prevented if the column will end up larger than 200px

## Grid w/ columns whose sizes will persist across page refreshes