diff --git a/css/details.css b/css/details.css
index 061f46d..ae846b5 100644
--- a/css/details.css
+++ b/css/details.css
@@ -1782,7 +1782,7 @@
   left: 0;
 }
 .base {
-  background-color: none;
+  background: none;
   width: fit-content;
   box-shadow: none;
 }
diff --git a/css/details.less b/css/details.less
index 43e1f77..884f459 100644
--- a/css/details.less
+++ b/css/details.less
@@ -2065,7 +2065,7 @@
 
 .base {
     // width: 100vw;
-    background-color: none;
+    background: none;
     // transform: none;
     // left: 0;
     width: fit-content;