diff --git a/resources/sass/_forms.scss b/resources/sass/_forms.scss
index 8c277c2b5..e480531fc 100644
--- a/resources/sass/_forms.scss
+++ b/resources/sass/_forms.scss
@@ -128,8 +128,9 @@
   body {
     display: block;
     background-color: #fff;
-    padding-inline-start: 16px;
-    padding-inline-end: 16px;
+    padding-inline-start: 12px;
+    padding-inline-end: 12px;
+    max-width: 864px;
   }
   [drawio-diagram]:hover {
     outline: 2px solid var(--color-primary);
diff --git a/resources/sass/_tinymce.scss b/resources/sass/_tinymce.scss
index 7e443ff5a..132c3ce7f 100644
--- a/resources/sass/_tinymce.scss
+++ b/resources/sass/_tinymce.scss
@@ -21,6 +21,7 @@
   padding-block-end: 1rem;
   outline: 0;
   display: block;
+  max-width: calc(870px);
 }
 
 .wysiwyg-input.mce-content-body {