<!DOCTYPE html>
<title>Content CSS property on img with alt and no src is honored</title>
<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<link rel="match" href="element-replacement-ref.html" />
<link rel="help" href="https://drafts.csswg.org/css-content-3/#content-property">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1625805">
<style>
  img {
    content: url('resources/rect.svg');
  }
</style>
<img alt="Something">