theme/placeholder.css
/*
* Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/* See ckeditor/ckeditor5#936. */
.ck.ck-placeholder,
.ck .ck-placeholder {
&::before {
content: attr(data-placeholder);
/* See ckeditor/ckeditor5#469. */
pointer-events: none;
}
}
/* See ckeditor/ckeditor5#1987. */
.ck.ck-read-only .ck-placeholder {
&::before {
display: none;
}
}