diff --git a/components/_patterns/00-base/_global.scss b/components/_patterns/00-base/_global.scss
index 0cd9c4218a158c5f1095c6ce451f996c57460308..ccf943fb2d56caa7dbbf0d375c33988a2cc140dc 100644
--- a/components/_patterns/00-base/_global.scss
+++ b/components/_patterns/00-base/_global.scss
@@ -23,7 +23,7 @@
grid-row: 3;
}
-html {
+html.uw_html {
background-color: black;
}
diff --git a/components/_patterns/05-pages/_html.twig b/components/_patterns/05-pages/_html.twig
index 4577ac5738f20916a5398e2c482ca61883a48333..0bea3915b741468a4f7fa305636095e8d1d1f868 100644
--- a/components/_patterns/05-pages/_html.twig
+++ b/components/_patterns/05-pages/_html.twig
@@ -24,7 +24,7 @@
*/
#}
<!DOCTYPE html>
-<html{{ html_attributes }}>
+<html{{ html_attributes }} class="uw-html">
<head>
<head-placeholder token="{{ placeholder_token|raw }}">
<title>{{ head_title|safe_join(' | ') }}</title>