This plugin resolved issue of align images in backend editor for old themes.

Advanced Classic Editor - Your powerful WordPress editor, Insert many Icons, Insert Table of contents, etc.

Adds a button to the WordPress TinyMCE editor to clear floats.

Built to run on EVERY install you have, TinyMce editor Font FIX changes unneeded css of the Tinymce editor.

Contributors: Virgial Author URL: https://www.bootstrapblocks.io/ Plugin URL: https://wordpress.org/plugins/wp-editor-bootstrap-blocks/ Tags: bootstrap, css, landing page, page builder, easy blocks, breakpoints, editor, grid, container, row, column, blocks, responsive, bootstrap 5, Requires at least: 6.0 Tested up to: 6.5.2 Stable tag: 2.5.0 License: GPLv3 or later The essential WP Editor Plugin for Bootstrap websites. Fully manageable responsive containers, rows and columns. Without coding.

Supercharge your website and unlock new WordPress editor features, advanced custom CSS, patterns, blocks, themes and Elementor sections.