diff --git a/static/style.css b/static/style.css
index acf6f2ea4b..05e52e25d2 100644
--- a/static/style.css
+++ b/static/style.css
@@ -11,6 +11,7 @@ body {
   font-family: Consolas, "Microsoft Yahei", "tahoma", "arial", "\5b8b\4f53";
   line-height: 1.5;
   color: #999;
+  font-size: 14px;
 }
 *,
 *:after,
@@ -384,6 +385,16 @@ footer ul li > a {
   color: #5C6B77;
 }
 
+.markdown pre {
+  padding: 8px 15px;
+  border-radius: 6px;
+  border: 1px solid #e9e9e9;
+}
+
+.markdown p {
+  margin: 1em 0;
+}
+
 @media only screen and (min-width: 768px) and (max-width: 1024px) {
   .nav {
     width: 40%;
diff --git a/theme/templates/layout.html b/theme/templates/layout.html
index a5c37b8b31..42cf55b929 100644
--- a/theme/templates/layout.html
+++ b/theme/templates/layout.html
@@ -8,6 +8,7 @@
   <meta name="format-detection" content="telephone=no">
   <title>Ant Design</title>
   <link rel="stylesheet" href="/static/style.css">
+  <link rel="stylesheet" href="/static/tomorrow.css">
   <script src="https://a.alipayobjects.com/jquery/jquery/1.11.1/jquery.js"></script>
   <script src="/static/script.js"></script>
 </head>