diff --git a/src/wp-admin/css/customize-controls.css b/src/wp-admin/css/customize-controls.css
index 7f437e86e8..bdd28880c1 100644
--- a/src/wp-admin/css/customize-controls.css
+++ b/src/wp-admin/css/customize-controls.css
@@ -949,7 +949,8 @@ p.customize-section-description {
 .customize-control input[type="number"],
 .customize-control input[type="search"],
 .customize-control input[type="tel"],
-.customize-control input[type="url"] {
+.customize-control input[type="url"],
+.customize-control input[type="range"] {
 	width: 100%;
 	margin: 0;
 }