enable background mode on hover/focus
enable background mode on hover/focus

owid/owid-grapher,owid/owid-grapher,OurWorldInData/owid-grapher,OurWorldInData/owid-grapher,OurWorldInData/our-world-in-data-grapher,owid/owid-grapher,OurWorldInData/our-world-in-data-grapher,OurWorldInData/owid-grapher,owid/owid-grapher,OurWorldInData/our-world-in-data-grapher,OurWorldInData/owid-grapher,OurWorldInData/owid-grapher,OurWorldInData/our-world-in-data-grapher,owid/owid-grapher