diff --git a/public/tour.css b/public/tour.css
index 98fb9e44b6c6e5064821360373fd3ceed98d4ab2..3230a0e365837261cf1ec8e41d8152d70bc3b558 100644
--- a/public/tour.css
+++ b/public/tour.css
@@ -91,7 +91,7 @@ pre {
 .page p,
 .page pre {
   font-size: 22px;
-  line-height: 30px;
+  line-height: 40px;
 }
 
 .header {
@@ -398,7 +398,7 @@ iframe {
   .page p,
   .page pre {
     font-size: 22px;
-    line-height: 30px;
+    line-height: 40px;
   }
 
   .page {