diff -u b/core/themes/seven/maintenance-page.css b/core/themes/seven/maintenance-page.css
--- b/core/themes/seven/maintenance-page.css
+++ b/core/themes/seven/maintenance-page.css
@@ -125,7 +125,7 @@
   }
 
   [dir="rtl"] .page-title {
-    margin-right: 0em;
+    margin-right: 0;
     margin-left: 2em;
   }