diff --git a/addons/website/static/src/scss/website.scss b/addons/website/static/src/scss/website.scss
index 47070acacaf..a71cca5b1a7 100644
--- a/addons/website/static/src/scss/website.scss
+++ b/addons/website/static/src/scss/website.scss
@@ -1193,6 +1193,7 @@ header {
     margin-top: 0;
     border-radius: 0;
     background-clip: unset; // Remove the 1px gap introduced by BS4
+    background-color: transparent; // In order to allow the mega menu to be transparent
 
     .container, .container-fluid {
         // Need to reforce those because they are removed since its a container