diff --git a/tem/html/core/head.html b/tem/html/core/head.html
index 29c66e7..5ac18f9 100644
--- a/tem/html/core/head.html
+++ b/tem/html/core/head.html
@@ -136,3 +136,5 @@
   </div>
 </div>
 <div id="side_border"></div>
+
+<main id="main">
\ No newline at end of file