media media [Experimental]\n\nMedia query of the resource's intended media; this should be used only in a <picture> element.
sizes
src src\n\nRequired, address of the media resource. The value of this attribute is ignored when the <source> element is placed inside a <picture> element.
srcset
type type\n\nThe MIME-type of the resource, optionally with a codecs parameter. See RFC 4281 for information about how to specify codecs.