diff --git a/addons/website_slides/static/src/scss/website_slides.scss b/addons/website_slides/static/src/scss/website_slides.scss
index f67344fdbb6..658d973a5a0 100644
--- a/addons/website_slides/static/src/scss/website_slides.scss
+++ b/addons/website_slides/static/src/scss/website_slides.scss
@@ -153,6 +153,13 @@ textarea.o_slides_comment {
     padding: 10px;
 }
 
+// Slide display
+div.embed-responsive {
+    iframe.o_wslides_iframe_viewer {
+        position: relative;
+    }
+}
+
 // PDF Viewer Share bar
 .oe_slides_share_bar{
     padding: 10px 0;