createStyleSheet = ( value ) => {

	let tag = document.createElement( 'style' );
	tag.type = 'text/css';

	if( value && value.length > 0 ) {
		if( tag.styleSheet ) {
			tag.styleSheet.cssText = value;
		}
		else {
			tag.appendChild( document.createTextNode( value ) );
		}
	}

	document.head.appendChild( tag );

	return tag;

}
Injects the given CSS styles into the DOM.

@param {string} value