Edit file File name : block.json Content :{ "$schema": "https://schemas.wp.org/trunk/block.json", "apiVersion": 3, "name": "core/site-title", "title": "Site Title", "category": "theme", "description": "Displays the name of this site. Update the block, and the changes apply everywhere it’s used. This will also appear in the browser title bar and in search results.", "textdomain": "default", "attributes": { "level": { "type": "number", "default": 1 }, "levelOptions": { "type": "array", "default": [ 0, 1, 2, 3, 4, 5, 6 ] }, "textAlign": { "type": "string" }, "isLink": { "type": "boolean", "default": true }, "linkTarget": { "type": "string", "default": "_self" } }, "example": { "viewportWidth": 500 }, "supports": { "align": [ "wide", "full" ], "html": false, "color": { "gradients": true, "link": true, "__experimentalDefaultControls": { "background": true, "text": true, "link": true } }, "spacing": { "padding": true, "margin": true, "__experimentalDefaultControls": { "margin": false, "padding": false } }, "typography": { "fontSize": true, "lineHeight": true, "__experimentalFontFamily": true, "__experimentalTextTransform": true, "__experimentalTextDecoration": true, "__experimentalFontStyle": true, "__experimentalFontWeight": true, "__experimentalLetterSpacing": true, "__experimentalWritingMode": true, "__experimentalDefaultControls": { "fontSize": true } }, "interactivity": { "clientNavigation": true }, "__experimentalBorder": { "radius": true, "color": true, "width": true, "style": true } }, "editorStyle": "wp-block-site-title-editor", "style": "wp-block-site-title" } Save