diff --git a/railties/guides/assets/stylesheets/fixes.css b/railties/guides/assets/stylesheets/fixes.css
new file mode 100644
index 0000000000..54efa5b9b7
--- /dev/null
+++ b/railties/guides/assets/stylesheets/fixes.css
@@ -0,0 +1,16 @@
+/*
+ Fix a rendering issue affecting WebKits on Mac.
+ See https://github.com/lifo/docrails/issues#issue/16 for more information.
+*/
+.syntaxhighlighter a,
+.syntaxhighlighter div,
+.syntaxhighlighter code,
+.syntaxhighlighter table,
+.syntaxhighlighter table td,
+.syntaxhighlighter table tr,
+.syntaxhighlighter table tbody,
+.syntaxhighlighter table thead,
+.syntaxhighlighter table caption,
+.syntaxhighlighter textarea {
+ line-height: 1.2em !important;
+}
diff --git a/railties/guides/source/layout.html.erb b/railties/guides/source/layout.html.erb
index 91dab18b21..e924f2f6c0 100644
--- a/railties/guides/source/layout.html.erb
+++ b/railties/guides/source/layout.html.erb
@@ -12,6 +12,8 @@
+
+
<% if @edge %>