Vue Chart - annotations.font
Specifies the annotation's font properties. Applies to text annotations only.
family
Specifies font family.
For details on acceptable values, refer to the Font family article.
opacity
Specifies font opacity.
This property accepts a value from 0 to 1, where 0 makes the text completely transparent, and 1 makes it opaque.
size
Specifies font size.
A numeric value specifies the font size in pixels. A string value can specify the font size in any units listed here, but multi-line text only supports length units.