The font weight can be specified as one of 100, 200, 300, 400, 500, 600, 700, 800, or 900, or one of the following constants.
No weight specified.
Normal weight, equivalent to 400.
Bold. equivalent to 700.
Increases weight by 100.
Decreases weight by 100.
See Implementation
The font weight can be specified as one of 100, 200, 300, 400, 500, 600, 700, 800, or 900, or one of the following constants.