WP File Manager

Name	Action
..
block.json	Edit
editor-rtl.css	Edit
editor-rtl.min.css	Edit
editor.css	Edit
editor.min.css	Edit
style-rtl.css	Edit
style-rtl.min.css	Edit
style.css	Edit
style.min.css	Edit

Editing: block.json

{ "$schema": "https://schemas.wp.org/trunk/block.json", "apiVersion": 3, "name": "core/text-columns", "title": "Text Columns (deprecated)", "icon": "columns", "category": "design", "description": "This block is deprecated. Please use the Columns block instead.", "textdomain": "default", "attributes": { "content": { "type": "array", "source": "query", "selector": "p", "query": { "children": { "type": "string", "source": "html" } }, "default": [ {}, {} ] }, "columns": { "type": "number", "default": 2 }, "width": { "type": "string" } }, "supports": { "inserter": false, "interactivity": { "clientNavigation": true } }, "editorStyle": "wp-block-text-columns-editor", "style": "wp-block-text-columns" }