diff --git a/trac/htdocs/main.css b/trac/htdocs/main.css
index 7ae96a7..755fe71 100644
--- a/trac/htdocs/main.css
+++ b/trac/htdocs/main.css
@@ -125,3 +125,10 @@ dt em {
     background: #88AA77;
     border: 2px solid #945973;
 }
+fieldset {
+    background: #88AA77;
+    border-color: #224422;
+}
+legend {
+    color: #224422;
+}