src/vs/platform/theme/browser/defaultStyles.ts/getKeybindingLabelStyles
export function getKeybindingLabelStyles(override: IStyleOverride<IKeybindingLabelStyles>): IKeybindingLabelStyles {
	return {
		keybindingLabelBackground: asCssValue(override.keybindingLabelBackground ?? keybindingLabelBackground),
		keybindingLabelForeground: asCssValue(override.keybindingLabelForeground ?? keybindingLabelForeground),
		keybindingLabelBorder: asCssValue(override.keybindingLabelBorder ?? keybindingLabelBorder),
		keybindingLabelBottomBorder: asCssValue(override.keybindingLabelBottomBorder ?? keybindingLabelBottomBorder),
		keybindingLabelShadow: asCssValue(override.keybindingLabelShadow ?? widgetShadow)
	};
}