diff --git a/dev/scss/main/plugin.scss b/dev/scss/main/plugin.scss
index dce86a3..5b289a6 100644
--- a/dev/scss/main/plugin.scss
+++ b/dev/scss/main/plugin.scss
@@ -13,4 +13,8 @@
     width:      100%;
     overflow-x: auto;
   }
+}
+
+div.panel.result > div > div.widget > iframe {
+  background-color: $nearly-white;
 }
\ No newline at end of file