2.1.92 [CSS-Level2-2009] Section 15.6, Font boldness: the 'font-weight' property

V0255:

The specification states:

 ‘font-weight’
  
 Value:                 normal | bold | bolder | lighter | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | inherit
 Initial:               normal
 Applies to:            all elements
 Inherited:             yes
 Percentages:           N/A
 Media:                 visual
 Computed value:        see text

Quirks Mode and IE7 Mode (All Versions)

The inherit value of the font-weight property is not supported.