fix height of server selection

main.css

 /* 
-    Created on : 19.09.2018, 09:10:07
     Author     : hahn
 */
 
@@ -26,8 +25,8 @@ i.fa{font-size: 150%; }
 i.fa.lookup{font-size: 100%; opacity: 0.4;}
 
 nav.servers{float: left; margin-right: 1em;}
+#selectserver{min-height: 20em; border-right: 1px dashed #cde;}
 
-nav.tabs{}
 nav.tabs a{display: block; float: left; background: rgba(0,60,60,0.05); padding: 0.5em 1em; color:#345; text-decoration: none; margin-right: 2px; border-top: 4px solid rgba(0,0,0,0.01);}
 nav.tabs a.active{background: #d0e0e0; border-color: rgb(255,0,51); }
 nav.tabs a:hover{border-color: #abc;}
@@ -62,7 +61,7 @@ pre div:hover{background:rgba(0,0,0,0.1);}
 /* ----- override datatable defaukts */
 .dataTables_wrapper{clear: none;float: left; margin: auto 1px;}
 table.dataTable tbody tr.even{background: #f0f4f8;}
-table.dataTable tbody tr.odd{}
+/* table.dataTable tbody tr.odd{} */
 table.dataTable{margin: 0; width: auto; border-spacing: 1px;}
 table.dataTable tbody td{padding: 3px;}