diff --git a/addons/website/static/src/css/editor.css b/addons/website/static/src/css/editor.css
index 2ad22e318f7..5b20d85c69f 100644
--- a/addons/website/static/src/css/editor.css
+++ b/addons/website/static/src/css/editor.css
@@ -387,14 +387,14 @@ table.editorbar-panel td.selected {
 .oe_ace_view_editor {
   position: fixed;
   top: 51px;
-  right: 0px;
-  height: 100%;
+  right: 0;
   z-index: 1000;
+  height: 100%;
 }
 .oe_ace_view_editor .oe_ace_view_editor_title {
   width: 100%;
   padding-left: 2px;
-  height: 3em;
+  height: 34px;
   background-color: #111111;
 }
 .oe_ace_view_editor .oe_ace_view_editor_title .oe_view_list {
@@ -402,9 +402,9 @@ table.editorbar-panel td.selected {
 }
 .oe_ace_view_editor .ace_editor {
   position: absolute;
-  top: 3em;
+  top: 34px;
   right: 0;
-  bottom: 0;
+  bottom: 51px;
   left: 0;
   width: 720px;
 }
diff --git a/addons/website/static/src/css/editor.sass b/addons/website/static/src/css/editor.sass
index 2ce32a8a6bb..e4edcd3c62e 100644
--- a/addons/website/static/src/css/editor.sass
+++ b/addons/website/static/src/css/editor.sass
@@ -333,21 +333,21 @@ $remove_color: $icon_close
 .oe_ace_view_editor
     position: fixed
     top: 51px
-    right: 0px
-    height: 100%
+    right: 0
     z-index: 1000
+    height: 100%
     .oe_ace_view_editor_title
         width: 100%
         padding-left: 2px
-        height: 3em
+        height: 34px
         background-color: #111
         .oe_view_list
             width: 50%
     .ace_editor
         position: absolute
-        top: 3em
+        top: 34px
         right: 0
-        bottom: 0
+        bottom: 51px
         left: 0
         width: 720px
 
diff --git a/addons/website/static/src/js/website.ace.js b/addons/website/static/src/js/website.ace.js
index 33dc755286c..0de6ad8cde3 100644
--- a/addons/website/static/src/js/website.ace.js
+++ b/addons/website/static/src/js/website.ace.js
@@ -65,8 +65,8 @@
                 method: 'read',
                 args: [[this.$viewList.val()], ['arch']]
             }).then(function(result) {
-                var prettyfied = vkbeautify.xml(result[0].arch, "    ");
-                var editingSession = new ace.EditSession(prettyfied + "\n");
+                var prettyfied = vkbeautify.xml(result[0].arch, 4);
+                var editingSession = new ace.EditSession(prettyfied);
                 editingSession.setMode("ace/mode/xml");
                 editingSession.setUndoManager(new ace.UndoManager());
                 editor.setSession(editingSession);