diff --git a/demos/setup/style.scss b/demos/setup/style.scss
index 06d2126f..0da52a24 100644
--- a/demos/setup/style.scss
+++ b/demos/setup/style.scss
@@ -55,6 +55,12 @@ body {
   background-color: transparent;
 }
 
+button,
+input {
+  font-size: inherit;
+  font-family: inherit;
+}
+
 .ProseMirror:focus {
   outline: none;
 }