HtmlPictureElement Class
https://html.spec.whatwg.org/multipage/embedded-content.html#htmlpictureelement
public sealed class HtmlPictureElement : HtmlElement- Inheritance
HtmlElementHtmlPictureElement
https://html.spec.whatwg.org/multipage/embedded-content.html#htmlpictureelement
public sealed class HtmlPictureElement : HtmlElementHtmlElement HtmlPictureElement