@@ -1,4 +1,9 @@
-.ck.ck-editor__editable .todo-list__checkmark {
+/*
+ * Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+ */
+
+.ck-editor__editable .todo-list__checkmark {
display: inline-block;
position: relative;