diff --git a/_layouts/default.html b/_layouts/default.html
index a2ea5a4..bc6b249 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -33,7 +33,7 @@
 
     <!-- MAIN CONTENT -->
     <div id="main_content_wrap" class="outer">
-      <section id="main_content" class="inner">
+      <section id="main_content" class="inner" style="max-width: 840px;">
         {{ content }}
       </section>
     </div>