Clarify "Styling one element depending on another's state"
Clarify "Styling one element depending on another's state"

Change the key to "keyForButton" so it is more obvious that the thing you pass to getState is not the element name. Should prevent future issues like #336.
AnSavvides/radium,MicheleBertoli/radium,bobbyrenwick/radium,lexical-labs/radium,FormidableLabs/radium,kof/radium,almost/radium,nfl/radium,richardfickling/radium