diff --git a/ts/index.ts b/ts/index.ts
index 6d78240..e2f2508 100644
--- a/ts/index.ts
+++ b/ts/index.ts
@@ -6,6 +6,7 @@ export {
   customElement,
   TemplateResult,
   internalProperty,
+  css
 } from 'lit-element';
 
 export class DeesElement extends plugins.litElement.LitElement {