fix(core): update

ts/domtools.css.basestyles.ts

@@ -7,7 +7,7 @@ import { css, unsafeCSS } from 'lit';
  */
 export const scrollBarStyles: string = (() => {
   const returnStyles =
-    navigator.userAgent.indexOf('Mac OS X') !== -1
+    navigator.userAgent.indexOf('not a thing') !== -1
       ? css`
           /* width */
           ::-webkit-scrollbar {