Fix an error with resize behavior
Fix an error with resize behavior

was bound to a[data-fluidbox] which I believe is either vestigial or
conventional to original author’s code. Instead specify a selector that
matches explicit class assignments int this module, so it should work
more universally.

aguynamedirvin/Fluidbox,lukaserat/Fluidbox,mcanthony/Fluidbox,jgrummel/Fluidbox,GerHobbelt/Fluidbox,mcanthony/Fluidbox,zonayedpca/Fluidbox,aguynamedirvin/Fluidbox,GerHobbelt/Fluidbox,zonayedpca/Fluidbox,jgrummel/Fluidbox,lukaserat/Fluidbox