Source code

Revision control

Copy as Markdown

Other Tools

Test Info:

<!DOCTYPE html>
<!-- Any copyright is dedicated to the Public Domain.
<html>
<style>
details {
background-color: orange;
width: 500px;
height: 300px;
}
summary {
/* Hide the triangle for comparing with div in reftest. */
list-style-type: none;
}
summary {
background-color: green;
width: 50%;
height: 40%;
}
div#inner {
background-color: cyan;
width: 50%;
height: 60%;
}
</style>
<body>
<details open>
<summary>Summary: 40% height</summary>
<div id="inner">Div: 60% height</div>
</details>
</body>
</html>