original: If you absolutely must specify a font size, use a relative size like font-size: 80%, not an absolute size like font-size: 8pt.
simplifications: If you must specify a font size, use a relative size like font-size: 80%, not an absolute size like font-size: 8pt. If you must use a certain font size, use a relative size like 80%, not an absolute size like 8pt. If you must use a certain font size, use a relative size like font-size: 80%. Specified font sizes are better done by  a relative percentage. Avoid using point sizes that are absolute. If you must specify a font size, use a relative font size like: 80%. Do not choose an absolute font size like : 8pt. If you need to pick a font size, use a relative size like 80% and not an absolute size like 8pt. If you must specify a font size, use a relative size like font-size: 80%. Do not an absolute size like font-size: 8pt. If you need a a font size, a relative size like 80% or not an absolute size like font-size 8pt. If you have to specify a font size, use a relative size like 80%, not an absolute size like 8pt. If you really have to specify a font size, use a certain font-size: 80%, but not an absolute size like font-size: 8pt.