diff --git a/README.md b/README.md
index cec262ac8..1fd0fa09f 100644
--- a/README.md
+++ b/README.md
@@ -79,6 +79,7 @@ export default () => (
     name="J23100"
     seq="TTGACGGCTAGCTCAGTCCTAGGTACAGTGCTAGC"
     annotations={[{ name: "promoter", start: 0, end: 34, direction: 1, color: "blue" }]}
+    style={{ height: "100vh", width: "100vw" }}
   />
 );
 ```