diff --git a/web/static/src/scss/app.scss b/web/static/src/scss/app.scss
index e204fda5..7b8ec843 100644
--- a/web/static/src/scss/app.scss
+++ b/web/static/src/scss/app.scss
@@ -31,6 +31,10 @@ body {
   }
 }
 
+.o_hidden {
+  display: none;
+}
+
 /***** Web Client *****/
 .o_web_client {
   font-family: sans-serif;