v2.1.0

Added

• Added the function to sync with mac accent colors (#219)

Fixed

• Fixed inverted active line of vertical QSlider (#212)
• Improved some delay (#213, #214, #221)
• Improved popup style (#215)
• Fixed QComboBox item selection color not showing on Qt5 (#217)

Changed

• Always disable dialog button icons (#210)
• Deleted argument border from load_stylesheet() (#220)