diff --git a/src/content.less b/src/content.less
index d829aac..1ea57eb 100644
--- a/src/content.less
+++ b/src/content.less
@@ -15,6 +15,11 @@
   @media (min-width: @width-with-gitako) {
     margin-left: 0;
   }
+
+  .Header > div {
+    width: 1012px;
+    margin: 0 auto;
+  }
 }
 
 .markdown-body {