1<?php
2// INSIDE functions.php
3// Editor Full Width
4add_action('admin_head', 'editor_full_width_gutenberg');
5function editor_full_width_gutenberg() {
6 echo '<style>
7 body.gutenberg-editor-page .editor-post-title__block, body.gutenberg-editor-page .editor-default-block-appender, body.gutenberg-editor-page .editor-block-list__block {
8 max-width: none !important;
9 }
10 .block-editor__container .wp-block {
11 max-width: none !important;
12 }
13 </style>';
14}
15?>