Source code

Revision control

Copy as Markdown

Other Tools

Test Info:

<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="This test verifies that fieldset's width is the same as the img's width, transferred from the img's height and aspect-ratio.">
<style>
fieldset {
margin: 0;
padding: 10px;
border: 0;
height: 80px;
width: fit-content;
/* create a red dot that should be covered by the <img> */
background: radial-gradient(red, red 50%, green 50%, green 100%);
}
img {
height: 100%;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<fieldset>
<img src="aspect-ratio/support/200x200-green.png">
</fieldset>