diff --git a/addons/website/static/src/less/website.snippets.less b/addons/website/static/src/less/website.snippets.less
index 598993c686d..0214c264cd3 100644
--- a/addons/website/static/src/less/website.snippets.less
+++ b/addons/website/static/src/less/website.snippets.less
@@ -393,6 +393,7 @@ div.carousel {
 
 .parallax {
     position: relative;
+    z-index: 0;
 
     .oe_structure {
         > :first-child {