diff --git a/addons/web_editor/__manifest__.py b/addons/web_editor/__manifest__.py
index ff3d12d8e4f..43c53789ebb 100644
--- a/addons/web_editor/__manifest__.py
+++ b/addons/web_editor/__manifest__.py
@@ -86,6 +86,7 @@ Odoo Web Editor widget.
             'web_editor/static/src/js/wysiwyg/wysiwyg_iframe.js',
         ],
         'web.assets_common': [
+            'web_editor/static/lib/odoo-editor/src/base_style.css',
             'web_editor/static/lib/vkbeautify/**/*',
             'web_editor/static/src/js/common/**/*',
             'web_editor/static/lib/odoo-editor/src/utils/utils.js',
diff --git a/addons/web_editor/static/lib/odoo-editor/demo/index.html b/addons/web_editor/static/lib/odoo-editor/demo/index.html
index 45e7dca3d26..5a2e5a61199 100644
--- a/addons/web_editor/static/lib/odoo-editor/demo/index.html
+++ b/addons/web_editor/static/lib/odoo-editor/demo/index.html
@@ -14,6 +14,8 @@
         <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ho+j7jyWK8fNQe+A12Hb8AhRq26LrZ/JpcUGGOn+Y7RsweNrtN/tE3MoK7ZeZDyx" crossorigin="anonymous"></script>
         <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css" integrity="sha512-+4zCK9k+qNFUR5X+cKL9EIR+ZOhtIloNl9GIKS57V1MyNsYpYcUrUeQc9vNfzsWfV28IaLL3i96P9sdNyeRssA==" crossorigin="anonymous"/>
 
+        <!-- Base style to be loaded without the editor -->
+        <link rel="stylesheet" href="../src/base_style.css"/>
         <!-- custom style -->
         <link rel="stylesheet" href="../src/style.css"/>
         <!-- Checklists are styled separately in Odoo -->
diff --git a/addons/web_editor/static/lib/odoo-editor/src/base_style.css b/addons/web_editor/static/lib/odoo-editor/src/base_style.css
new file mode 100644
index 00000000000..04cfa68c98e
--- /dev/null
+++ b/addons/web_editor/static/lib/odoo-editor/src/base_style.css
@@ -0,0 +1,3 @@
+li.oe-nested {
+    display: block;
+}
diff --git a/addons/web_editor/static/lib/odoo-editor/src/style.css b/addons/web_editor/static/lib/odoo-editor/src/style.css
index 1ea8483abc4..b2bd6234ff9 100644
--- a/addons/web_editor/static/lib/odoo-editor/src/style.css
+++ b/addons/web_editor/static/lib/odoo-editor/src/style.css
@@ -194,9 +194,6 @@
 }
 /* Content styling */
 
-li.oe-nested {
-    display: block;
-}
 .oe-commandbar-wrapper {
     position: absolute;
     z-index: 1051;
diff --git a/addons/web_editor/static/lib/odoo-editor/test/editor-test.html b/addons/web_editor/static/lib/odoo-editor/test/editor-test.html
index 1a63b04f083..2ee7f1b8e28 100644
--- a/addons/web_editor/static/lib/odoo-editor/test/editor-test.html
+++ b/addons/web_editor/static/lib/odoo-editor/test/editor-test.html
@@ -7,6 +7,7 @@
 
         <title>Odoo Editor tests</title>
 
+        <link rel="stylesheet" href="../src/base_style.css"/>
         <link rel="stylesheet" href="../src/checklist.css"/>
         <link rel="stylesheet" href="lib/mocha.css" />
         <style type="text/css">