diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 0ec71d910..876f39422 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -96,6 +96,7 @@
           --theme-top-bar-write-background: #00af81;\
           --theme-top-bar-write-color: #fff;\
           --theme-container-background: #27374c;\
+          --theme-container-background-hover: #37475c;\
           --theme-container-color: #fff;\
           --theme-container-box-shadow: none;\
           --theme-container-border: 1px solid #141d26;</style>'