src/vs/workbench/contrib/terminal/browser/terminalIcon.ts/getColorStyleElement
export function getColorStyleElement(colorTheme: IColorTheme): HTMLElement {
	const standardColors = getStandardColors(colorTheme);
	const styleElement = document.createElement('style');
	let css = '';
	for (const colorKey of standardColors) {
		const colorClass = getColorClass(colorKey);
		const color = colorTheme.getColor(colorKey);
		if (color) {
			css += (
				`.monaco-workbench .${colorClass} .codicon:first-child:not(.codicon-split-horizontal):not(.codicon-trashcan):not(.file-icon)` +
				`{ color: ${color} !important; }`
			);
		}
	}
	styleElement.textContent = css;
	return styleElement;
}