JavaScript boy and “lovely thoughtleader” 
he/him 
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One prop for each color seems too much. Way better imo {color: 'red', color: 'blue'}
Using CSS properties was a bad example. In my API the names refer to a bunch of styles. eg.https://twitter.com/sebmck/status/1052266091496402944 …
it should be clear that active style takes precedence over default style, preferably have a default+active style as a separate state. This can be then compared to css specificity of selectors (id/class). In any case I voted against as they should both change one property.
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