diff --git a/resources/ext.CookieWarning/ext.CookieWarning.less b/resources/ext.CookieWarning/ext.CookieWarning.less
index 462871f..a865e10 100644
--- a/resources/ext.CookieWarning/ext.CookieWarning.less
+++ b/resources/ext.CookieWarning/ext.CookieWarning.less
@@ -1,3 +1,5 @@
+@import 'mediawiki.skin.variables.less';
+
 .mw-cookiewarning-container {
 	position: fixed;
 	background-color: rgba( 90, 90, 90, 0.85 );
@@ -6,7 +8,7 @@
 	bottom: 0;
 	left: 0;
 	width: 100%;
-	z-index: 1999;
+	z-index: @z-index-overlay;
 	display: flex;
 	justify-content: center;