diff --git a/src/css/custom.css b/src/css/custom.css
index 6141b3c06f..bae1331f55 100644
--- a/src/css/custom.css
+++ b/src/css/custom.css
@@ -142,11 +142,11 @@ x-search {
 }
 
 .language-radio a:hover {
-  background-color: #fff;
+  background-color: var(--ifm-navbar-background-color);
   font-weight: 600;
 }
 
 .language-radio:not(:hover) .current {
-  background-color: #fff;
+  background-color: var(--ifm-navbar-background-color);
   font-weight: 600;
 }