font :
font-style' | 'font-variant' | 'font-weight' | 'font-size'
text-transform
capitalize | uppercase | lowercase | none | inherit
Hdennison:
valores permitidos para
font-weight: normal | bold | bolder | lighter | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | inherit