diff --git a/src/theme/book.css b/src/theme/book.css
index 27179864..a29aff45 100644
--- a/src/theme/book.css
+++ b/src/theme/book.css
@@ -16,6 +16,15 @@ h2,
h3 {
margin-top: 2.5em;
}
+h4,
+h5 {
+ margin-top: 2em;
+}
+.header + .header h3,
+.header + .header h4,
+.header + .header h5 {
+ margin-top: 1em;
+}
.sidebar {
position: absolute;
left: 0;
diff --git a/src/theme/book.js b/src/theme/book.js
index 58d8eed9..1560ed5f 100644
--- a/src/theme/book.js
+++ b/src/theme/book.js
@@ -33,7 +33,7 @@ $( document ).ready(function() {
// Add anchors for all content headers
content.find("h1, h2, h3, h4, h5").wrap(function(){
- var wrapper = $("");
+ var wrapper = $("