tour: change reference to opacity to transparency
tour: change reference to opacity to transparency

wilsonc86/gokart,wilsonc86/gokart,rockychen-dpaw/gokart,rockychen-dpaw/gokart,wilsonc86/gokart,rockychen-dpaw/gokart,parksandwildlife/gokart,parksandwildlife/gokart,rockychen-dpaw/gokart,parksandwildlife/gokart,parksandwildlife/gokart