diff --git a/addons/website/static/src/css/editor.css b/addons/website/static/src/css/editor.css
index b939ec11b6d..a3151d14855 100644
--- a/addons/website/static/src/css/editor.css
+++ b/addons/website/static/src/css/editor.css
@@ -641,8 +641,8 @@ table.editorbar-panel td.selected {
   cursor: ew-resize;
 }
 .oe_ace_view_editor.oe_ace_open {
-  filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=100);
-  opacity: 1;
+  filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=97);
+  opacity: 0.97;
 }
 .oe_ace_view_editor.oe_ace_closed {
   z-index: -1000;
diff --git a/addons/website/static/src/css/editor.sass b/addons/website/static/src/css/editor.sass
index 092194e9e10..dcfa88b89e7 100644
--- a/addons/website/static/src/css/editor.sass
+++ b/addons/website/static/src/css/editor.sass
@@ -503,7 +503,7 @@ $navbar_height: 51px
         .ace_gutter
             cursor: ew-resize
     &.oe_ace_open
-        +opacity(1)
+        +opacity(0.97)
     &.oe_ace_closed
         z-index: -1000
         +opacity(0)