diff --git a/lib/tpl/dokuwiki/css/_tabs.css b/lib/tpl/dokuwiki/css/_tabs.css
index c4576c5ab4fd214173b8b707cdeff62c653d1805..507f49e96dd48eede62b2f76b383f9c51b1b8da9 100644
--- a/lib/tpl/dokuwiki/css/_tabs.css
+++ b/lib/tpl/dokuwiki/css/_tabs.css
@@ -18,7 +18,6 @@
     bottom: 0;
     left: 0;
     border-bottom: 1px solid @ini_border;
-    z-index: 1;
 }
 
 .dokuwiki .tabs > ul li,