An absolute unit of measurement traditionally used in print media that is 1/72 of an inch.
pt (point)
px (pixel)
em
% (percent)
Which relative unit of measurement could you use to set the font-size of an element based on the font-size of its parent element?
px
pt
em
rem
Which relative unit of measurement could you use to set the font-size of an element based on the font-size of the body instead of the font-size of the parent element?
px
pt
em
rem