diff --git a/dist/qt_themes/default/style.qss b/dist/qt_themes/default/style.qss
index c56ca54ce3..8f3115b3af 100644
--- a/dist/qt_themes/default/style.qss
+++ b/dist/qt_themes/default/style.qss
@@ -509,6 +509,8 @@ QWidget#contentRichDialog QLabel#label_title_rich {
 }
 
 QWidget#contentDialog QLabel#label_dialog {
+    background: #2E2E2E;
+
     padding: 20px 65px;
 }