demo: import variables.

Author: Nes-si

demo/client.tsx

@@ -7,6 +7,7 @@ import "../node_modules/normalize.css/normalize.css";
 import "../node_modules/draft-js/dist/Draft.css";
 import "../src/styles/react-mde-all.scss";
 import "./styles/demo.scss";
+import "./styles/variables.scss";
 
 render(
     <App />,