diff --git a/trac/htdocs/libcaca.css b/trac/htdocs/libcaca.css
index bf35c73..32088f8 100644
--- a/trac/htdocs/libcaca.css
+++ b/trac/htdocs/libcaca.css
@@ -227,7 +227,7 @@ input[type="button"], input[type="submit"], input[type="reset"] {
 }
 input[type="button"]:hover, input[type="submit"]:hover, input[type="reset"]:hover {
     background: #2C1F1C;
-    border-color: #674e4e;
+    border: 1px solid #674e4e;
     color: #fff;
 }