Pseudo Classes are the best way to handle on/off state changes in a Node in JavaFX. But it's very badly explained in the JavaDocs and hard to understand. This article should clear that up. What's a PseudoClass? Have you ever noticed how a Button ch...

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Omar alpjaly
Note : if you declared the css selector like this ".label :red" the Pseudo Class will not work . you should not add any space before ":" i lost hours for that