diff --git a/fhem/www/pgm2/dashboard_darkstyle.css b/fhem/www/pgm2/dashboard_darkstyle.css
index 990bb347e..a3557bfb9 100644
--- a/fhem/www/pgm2/dashboard_darkstyle.css
+++ b/fhem/www/pgm2/dashboard_darkstyle.css
@@ -52,7 +52,7 @@
 #dashboard .ui-helper-reset {margin: 0;padding: 0;border: 0;outline: 0;line-height: 1.3;text-decoration: none;font-size: 100%;list-style: none;}
 #dashboard .ui-tabs {position: relative;padding: .2em;}
 #dashboard .ui-tabs .ui-tabs-panel {display: block;border-width: 0;background: none;box-shadow: 0 0 0 0;border-radius: 0; padding: 0;}
-#dashboard .ui-tabs .ui-tabs-nav {margin: 0;padding: 0.2em 0.2em 0.4em;}
+#dashboard .ui-tabs .ui-tabs-nav {margin: 0;padding: 0.2em 0.2em 0.4em;background-image: none;}
 #dashboard .ui-tabs .ui-tabs-nav li {list-style: none;float: left;position: relative;top: 0;margin: 1px .2em 0 0;padding: 0;}
 #dashboard .ui-tabs .ui-tabs-nav li a {float: none;padding:0;}
 #dashboard .ui-tabs .ui-tabs-nav .ui-tabs-anchor {float: left;padding: .5em .5em;text-decoration: none;}