A helper function to easily modify shadow dom css.
npm install shadow-dom-inject-stylesbash
npm install shadow-dom-inject-styles --save
`Vanilla JS Example / Demo
jsfiddle`html
`Typescript Example
`ts
import {injectStyles} from 'shadow-dom-inject-styles';const toolbar = (this.el.querySelector('ion-header > ion-toolbar') as HTMLElement);
// language=CSS
const styles =
;injectStyles(toolbar, '.toolbar-background', styles);
``