diff --git a/interface/web/themes/default/assets/stylesheets/ispconfig.css b/interface/web/themes/default/assets/stylesheets/ispconfig.css
index e42bca2b854d0a7e0b8d95ef2ae84bf198cfb93f..b614bebdf5ed1fe4e60fca4a4b1ba4e59e6fb924 100644
--- a/interface/web/themes/default/assets/stylesheets/ispconfig.css
+++ b/interface/web/themes/default/assets/stylesheets/ispconfig.css
@@ -354,7 +354,7 @@ thead.dark th[data-column]:before {
 }
 
 thead.dark th[data-column][data-ordered] {
-    background: linear-gradient(to top,#57646d,#3e474e);
+    background: linear-gradient(to top, #57646d, #3e474e);
 }
 
 thead.dark th[data-column][data-ordered]:before {