diff --git a/components/script/resources/media-controls.css b/components/script/resources/media-controls.css
index 62a0a21013f..47bf2825ce1 100644
--- a/components/script/resources/media-controls.css
+++ b/components/script/resources/media-controls.css
@@ -31,7 +31,7 @@ button {
   color: #ffffff;
   display: flex;
   align-items: center;
-  gap:16px;
+  gap: 16px;
 }
 
 .hidden {