scroll slider contrast
fix scrollbar, minimap slider transparencies
light: "minimapSlider.activeBackground": "#00000040", "minimapSlider.background": "#00000020", "minimapSlider.hoverBackground": "#00000060",
"scrollbarSlider.activeBackground": "#00000040",
"scrollbarSlider.background": "#00000020",
"scrollbarSlider.hoverBackground": "#00000060",