diff --git a/trac/htdocs/libcaca.css b/trac/htdocs/libcaca.css
index 8dcf832..43079ba 100644
--- a/trac/htdocs/libcaca.css
+++ b/trac/htdocs/libcaca.css
@@ -73,6 +73,9 @@ dt em {
     font-style:normal;
     text-decoration:none;
 }
+dt :hover {
+    background: #D7E6FF;
+}
 
 /*   = HEADER = */