diff --git a/contrib/static/bloodgod.css b/contrib/static/bloodgod.css
index fdee3a8..9659623 100644
--- a/contrib/static/bloodgod.css
+++ b/contrib/static/bloodgod.css
@@ -76,4 +76,8 @@ table thead th {
 
 .navbar-link > label:hover {
     color: red;
+}
+
+.origin > img {
+    filter: invert(100%);
 }
\ No newline at end of file