font-weight CSS descriptor allows authors to specify font weights for the fonts specified in the
@font-face rule. The
font-weight property can separately be used to set how thick or thin characters in text should be displayed.
For a particular font family, authors can download various font faces which correspond to the different styles of the same font family, and then use the
font-weight descriptor to explicitly specify the font face's weights. The values for the CSS descriptor is same as that of its corresponding font property.
There are generally limited weights available for a particular font family. When a specified weight doesn't exist, a nearby weight is used. Fonts lacking bold are often synthesized by the user agent. To prevent this, use