diff --git a/web_src/css/modules/dimmer.css b/web_src/css/modules/dimmer.css
index a6ab078504..cea4aa3f94 100644
--- a/web_src/css/modules/dimmer.css
+++ b/web_src/css/modules/dimmer.css
@@ -24,5 +24,6 @@
 
 .ui.dimmer > * {
   position: static;
-  margin: auto 0 !important;
+  margin-top: auto !important;
+  margin-bottom: auto !important;
 }