diff --git a/gradio_utils/css.py b/gradio_utils/css.py
index 485ab8b44..0572119e3 100644
--- a/gradio_utils/css.py
+++ b/gradio_utils/css.py
@@ -19,6 +19,9 @@ def make_css_base() -> str:
     
     body.dark{#warning {background-color: #555555};}
     
+    label > span:first-child {
+        background-color: var(--primary-200)
+
     #sidebar {
         order: 1;