diff --git a/trac/htdocs/main.css b/trac/htdocs/main.css
index 4b5e61e..74489a8 100644
--- a/trac/htdocs/main.css
+++ b/trac/htdocs/main.css
@@ -66,6 +66,10 @@ table, table.listing {
     -moz-border-radius: 5px;
     -webkit-border-radius: 5px;
 }
+table, thead {
+    -moz-border-radius-topleft: 5px;
+    -webkit-border-radius-topright: 5px;
+}
 fieldset {
     background: #88AA77;
     border-color: #290c00;
@@ -78,12 +82,10 @@ legend {
     background: #fff;
     opacity: 0.7;
 }
-th {
+thead {
     background: #88AA77;
     color: #fff;
     font-weight: bold;
-    -moz-border-radius-topleft: 5px;
-    -webkit-border-radius-topright: 5px;
 }
 th a {
     color: #290c00;