diff --git a/trac/htdocs/libcaca.css b/trac/htdocs/libcaca.css
index 08f4c93..5c9173f 100644
--- a/trac/htdocs/libcaca.css
+++ b/trac/htdocs/libcaca.css
@@ -291,7 +291,9 @@ form #comment {
 #ticket table.properties tr {
     border-bottom: 1px dotted #CCCC88;
 }
-
+#content.ticket {
+margin: 0 auto;
+}
 #content.ticket fieldset {
     border: 1px solid #C46300;
 }