This style control the Opacity

Value

with the following property, value range [0, 1]

opacity, control all area opacity
border-opacity, control border area opacity
outline-opacity, control outline area opacity
recolor-opacity, control recolor opacity
shadow-opacity, control shadow area opacity

Usage

const style = { "opacity": 0.2, "img-opacity": 0.5, "border-opacity": 0.7, "outline-opacity": 0, "recolor-opacity": 1 }