diff --git a/index.css b/index.css
index 0b25c436..a77f7b30 100644
--- a/index.css
+++ b/index.css
@@ -22,6 +22,7 @@ body {
 }
 
 .OxThemeOxlight .OxLabel.label,
+.OxThemeOxmedium .OxLabel.label,
 .OxThemeOxdark .OxLabel.label {
     border-color: transparent;
     background-color: transparent;