fix(core): update

ts/domtools.elementbasic.ts

@@ -1,13 +1,20 @@
 import * as plugins from './domtools.plugins';
 import { DomTools } from './domtools.classes.domtools';
+import { scrollBarStyles } from './domtools.css.theme';
 
 import { html } from 'lit-element';
-export const styles = html`
+
+/**
+ * styles to be included in every webcomponent
+ */
+export const styles = html`;
   <style>
     * {
       font-family: 'Roboto', sans-serif;
       box-sizing: border-box;
     }
+
+    ${scrollBarStyles}
   </style>
 `;