$pseudo-elements: (
	'::before',
	':before',
	'::after',
	':after',
	'::backdrop',
	'::cue',
	'::cue-region',
	'::first-letter',
	':first-letter',
	'::first-line',
	':first-line',
	'::file-selector-button',
	'::grammar-error',
	'::marker',
	'::placeholder',
	'::selection',
	'::spelling-error',
	'::target-text',
);