How do you live with a centered fixed-width table that is wasting 15% of the browser window with nothing but hectares of white space then? Bumping the line-heig

How do you live with a centered fixed-width table that is wasting 15% of the browser window with nothing but hectares of white space then? Bumping the line-height to 1.5ish the font size has minimal impact to space efficiency, and add tons to readability.