diff --git a/web/skins/classic/css/base/views/montage.css b/web/skins/classic/css/base/views/montage.css
index b727fe6f4..be9b7ea2f 100644
--- a/web/skins/classic/css/base/views/montage.css
+++ b/web/skins/classic/css/base/views/montage.css
@@ -14,6 +14,7 @@
   display: flex;
   flex-wrap: wrap;
   justify-content: center;
+  align-content: baseline;
 }
 #monitors:after {
   content: ".";
@@ -33,6 +34,10 @@
   position: relative;
 }
 
+#monitors.modeEditingMonitor .monitor {
+  border: solid red;
+}
+
 .monitorStream {
   position: relative;
 }