diff --git a/public/css/icinga/monitoring-colors.less b/public/css/icinga/monitoring-colors.less
index d2cf85b92..10ddd70d1 100644
--- a/public/css/icinga/monitoring-colors.less
+++ b/public/css/icinga/monitoring-colors.less
@@ -19,6 +19,7 @@ table.colors td {
 /* Action table */
 table.action {
   border-collapse: separate;
+  border-spacing: 0.5em;
   width: 98%;
   table-layout: fixed;
   margin: 0;