diff --git a/collects/scribble/scribble.css b/collects/scribble/scribble.css
index 603b3bda..83a8986b 100644
--- a/collects/scribble/scribble.css
+++ b/collects/scribble/scribble.css
@@ -25,6 +25,13 @@
   font-family: sans-serif;
 }
 
+/* ---------------------------------------- */
+
+h3, h4, h5, h6, h7, h8 {
+  margin-top: 1.75em;
+  margin-bottom: 0.5em;
+}
+
 /* ---------------------------------------- */
 /* Main */