Edit file

File name : block.json

Content :{ "$schema": "https://schemas.wp.org/trunk/block.json", "apiVersion": 3, "name": "core/post-author", "title": "Author", "category": "theme", "description": "Display post author details such as name, avatar, and bio.", "textdomain": "default", "attributes": { "textAlign": { "type": "string" }, "avatarSize": { "type": "number", "default": 48 }, "showAvatar": { "type": "boolean", "default": true }, "showBio": { "type": "boolean" }, "byline": { "type": "string" }, "isLink": { "type": "boolean", "default": false }, "linkTarget": { "type": "string", "default": "_self" } }, "usesContext": [ "postType", "postId", "queryId" ], "supports": { "html": false, "spacing": { "margin": true, "padding": true }, "typography": { "fontSize": true, "lineHeight": true, "__experimentalFontFamily": true, "__experimentalFontWeight": true, "__experimentalFontStyle": true, "__experimentalTextTransform": true, "__experimentalTextDecoration": true, "__experimentalLetterSpacing": true, "__experimentalDefaultControls": { "fontSize": true } }, "color": { "gradients": true, "link": true, "__experimentalDuotone": ".wp-block-post-author__avatar img", "__experimentalDefaultControls": { "background": true, "text": true } }, "interactivity": { "clientNavigation": true } }, "style": "wp-block-post-author" }

Save