<!DOCTYPE html> <meta charset="utf-8"> <title>Percentage size abspos box in a containing block that has padding</title> <link rel=help href="https://drafts.csswg.org/css-sizing-3/#intrinsic-sizes"> <link rel=help href="https://bugzilla.mozilla.org/show_bug.cgi?id=1691374"> <link rel=author href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> <link rel=author href="https://mozilla.org" title="Mozilla"> <link rel=match href="intrinsic-percent-replaced-011-ref.html"> <style> :root { writing-mode: vertical-lr; } </style> <div style="position: relative; padding-left: 100px; width: 0;"> <div style="position: absolute; top: 0; left: 0; height: 100%; width: 100%;"> <div style="display: inline-block; width: 100%;"> <img style="width: 100%; max-height: 100%;" src="/images/green-100x50.png"> </div> </div> </div>