Fixed picker overlay position
Fixed picker overlay position

DanielYKPan/date-time-picker,DanielYKPan/ng2-date-time-picker,DanielYKPan/date-time-picker,DanielYKPan/date-time-picker,DanielYKPan/ng2-date-time-picker,DanielYKPan/ng2-date-time-picker