Fix sticky header getting transparent on Safari
Fix sticky header getting transparent on Safari

zuhairnaqvi/react-day-picker,orokos/react-day-picker,saenglert/react-day-picker,orokos/react-day-picker,chaosmaple/react-day-picker,gpbl/react-day-picker,zuhairnaqvi/react-day-picker,nonmanifold/react-day-picker,gpbl/react-day-picker,gpbl/react-day-picker,chaosmaple/react-day-picker,Fnatte/react-day-picker,nonmanifold/react-day-picker,Fnatte/react-day-picker