diff --git a/modules/ve-mw/init/styles/ve.init.mw.ViewPageTarget-monobook.css b/modules/ve-mw/init/styles/ve.init.mw.ViewPageTarget-monobook.css
index 69efc8592d..d3da34c274 100644
--- a/modules/ve-mw/init/styles/ve.init.mw.ViewPageTarget-monobook.css
+++ b/modules/ve-mw/init/styles/ve.init.mw.ViewPageTarget-monobook.css
@@ -12,18 +12,17 @@
 	line-height: 1.5em;
 }
 
-.oo-ui-window {
-	/* Correct for Monobook's x-small font on non-isolated windows */
-	/* 0.8em / x-small */
-	font-size: 1em;
-}
-
-.ve-ui-overlay,
-.ve-init-mw-viewPageTarget-windowManager-welcome {
+.ve-ui-overlay {
 	/* Mimic #globalWrapper */
 	font-size: 127%;
 }
 
+.ve-ui-overlay-global,
+.ve-init-mw-viewPageTarget-windowManager-welcome {
+	/* Mimic #globalWrapper + Correct for Monobook's x-small font on the root overlay */
+	font-size: 1.5875em;
+}
+
 .ve-ui-overlay-global {
 	/* So that the overlay always appears over the site logo, search box and personal tools */
 	z-index: 4;