diff --git a/theme-arc-blue.css b/theme-arc-blue.css
index 696101d..8184aeb 100644
--- a/theme-arc-blue.css
+++ b/theme-arc-blue.css
@@ -1145,3 +1145,6 @@ element {
 .repository.file.list .non-diff-file-content .header .file-actions .btn-octicon {
     color: #555;
 }
+.repository .ui.segment.sub-menu .list .item.active {
+    background: #014a25;
+}