diff --git a/resources/sass/_forms.scss b/resources/sass/_forms.scss
index 32d873642..11ea1cc7f 100644
--- a/resources/sass/_forms.scss
+++ b/resources/sass/_forms.scss
@@ -117,7 +117,7 @@
   body {
     background-color: #fff;
     padding-inline-start: 16px;
-    margin-inline-end: 16px;
+    padding-inline-end: 16px;
   }
   [drawio-diagram]:hover {
     outline: 2px solid var(--color-primary);
diff --git a/resources/views/pages/markdown-editor.blade.php b/resources/views/pages/markdown-editor.blade.php
index a004dbd8b..6c1437ec1 100644
--- a/resources/views/pages/markdown-editor.blade.php
+++ b/resources/views/pages/markdown-editor.blade.php
@@ -35,7 +35,7 @@
         <div class="editor-toolbar">
             <div class="editor-toolbar-label">{{ trans('entities.pages_md_preview') }}</div>
         </div>
-        <iframe srcdoc="" class="markdown-display" sandbox="allow-same-origin"></iframe>
+        <iframe src="about:blank" class="markdown-display" sandbox="allow-same-origin"></iframe>
     </div>
     <input type="hidden" name="html"/>