# Full page HTML
The full page HTML feature lets you edit entire HTML pages in CKEditor 5 (from `` to ``), including the page metadata. While the [General HTML Support](general-html-support.md) feature focuses on elements inside the content (the document’s ``), this feature enables markup mostly invisible to the end user.
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## Demo
Use the [Enhanced source code editing feature](../source-editing/source-editing-enhanced.md) toolbar button to view and edit the HTML source of the document. Pay attention to the underlying markup.
## Installation
After [installing the editor](../../getting-started/installation/cloud/quick-start.md), add the feature to your plugin list and toolbar configuration:
**NPM**
```js
import { ClassicEditor, FullPage } from 'ckeditor5';
ClassicEditor
.create( {
licenseKey: '', // Or 'GPL'.
plugins: [ FullPage, /* ... */ ],
htmlSupport: {
fullPage: {
// Configuration.
}
}
} )
.then( /* ... */ )
.catch( /* ... */ );
```
**CDN**
```js
const { ClassicEditor, FullPage } = CKEDITOR;
ClassicEditor
.create( {
licenseKey: '',
plugins: [ FullPage, /* ... */ ],
htmlSupport: {
fullPage: {
// Configuration.
}
}
} )
.then( /* ... */ )
.catch( /* ... */ );
```
## Configuration
### Render styles
By default, the full page HTML feature does not render the CSS from `