This option supports the following colors.
- Hexadecimal colors
- RGB colors
- RGBA colors
- Predefined/cross-browser color names
- Predefined SVG colors
For details on acceptable values, refer to the Font family article.
For details on acceptable values, refer to the Font size article.
Specifies the font weight of the text displayed by a tooltip. Accepts values from 100 to 900 in increments of 100. Higher values increase boldness.