Update ispconfig.css to fix #select_server a that is affected by #sidebar a padding of 10px. Already pr'ed and merged in master via https://git.ispconfig.org/ispconfig/ispconfig3/merge_requests/766. Perhaps can be merged with stable too?

Author: ahrasis

interface/web/themes/default/assets/stylesheets/ispconfig.css

@@ -165,6 +165,9 @@ body {
     #sidebar header a {
 		padding: 0; }
 
+#select_server a {
+  padding:0 10px; }
+
 .page-header {
   margin: 20px 0;
   padding: 0; }