diff --git a/css/base_design.less b/css/base_design.less
index 560e5eb..7c4f24b 100755
--- a/css/base_design.less
+++ b/css/base_design.less
@@ -24,6 +24,15 @@ html, body {
     font-weight: bold;
 }
 
+body > div.dokuwiki {
+    position: relative;
+    margin: auto;
+
+    @media @screen_min-xlg {
+        max-width: 100em;
+    }
+}
+
 .dokuwiki {
     .page ol li,
     .page ul li,