Webmaster in a Nutshell, 3rd Edition By Robert Eckstein, Stephen Spainhour
Table of Contents
Chapter 9. Cascading Style Sheets
font-weight
font-weight: normal
Defines the font weight. If a number is used, it must be a multiple of 100 between 100 and 900; 400 is normal, 700 is the same as the keyword bold. Accepted values: bold, bolder, lighter, number , normal.
