diff --git a/style/themes/default-dark.css b/style/themes/default-dark.css
index c39ac33d..dad76397 100644
--- a/style/themes/default-dark.css
+++ b/style/themes/default-dark.css
@@ -175,7 +175,6 @@ h4 {
 .box-solid > .box-header,
 .box > .box-header {
   color: #bec5cb;
-  background-color: #272c30;
 }
 .box-solid > .box-header a,
 .box > .box-header a,