Is there a way to make the iframe go all the way?

The iframe doesn’t go all the way—a 10px white “border” surrounds the iframe. How could I solve this? The body has a default margin in most browsers. Try: in the page with the iframe. To cover the entire viewport, you can use: And be sure to set the framed page’s margins to 0, e.g., body { margin: 0; }.
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