diff --git a/src/theme/book.css b/src/theme/book.css
index cce56a22..32cbbf1b 100644
--- a/src/theme/book.css
+++ b/src/theme/book.css
@@ -1,7 +1,7 @@
-html,
-body {
+html {
   font-family: "Open Sans", sans-serif;
   color: #333;
+  overflow-x: hidden;
 }
 body {
   margin: 0;
diff --git a/src/theme/stylus/general.styl b/src/theme/stylus/general.styl
index 9d2ff94c..1145e8fa 100644
--- a/src/theme/stylus/general.styl
+++ b/src/theme/stylus/general.styl
@@ -1,6 +1,7 @@
-html, body {
+html {
     font-family: "Open Sans", sans-serif
     color: #333
+    overflow-x: hidden
 }
 
 body {