diff --git a/resources/css/editor/editor.css b/resources/css/editor/editor.css
new file mode 100644
index 0000000..cfeaf04
--- /dev/null
+++ b/resources/css/editor/editor.css
@@ -0,0 +1,10 @@
+.wp-admin.post-type-portfolio {
+	.block-editor-block-list__layout.is-root-container > :where(:not(.alignleft):not(.alignright):not(.alignfull)) {
+	}
+
+	.chapter-section {
+		box-sizing: border-box;
+		@apply alignfull px-32;
+	}
+}
+