describes the proportional relationship between its width and its height. A minor scale definition: am I missing something? I have an embedded sketchfab viewer on the page and want to keep an aspect ratio of 3/2. Indicates which referrer to send when fetching the frame's resource: Applies extra restrictions to the content in the frame. now what's the problem? WebSpecifies the width of an iframe. The value of the attribute can either be empty to apply all restrictions, or space-separated tokens to lift particular restrictions: The URL of the page to embed. width="100%" is not a valid value for the attribute in html5. Embedded hyperlinks in a thesis or research paper. While theoretically you can use as many