Source code

Revision control

Copy as Markdown

Other Tools

Test Info:

<!DOCTYPE html>
<!-- Any copyright is dedicated to the Public Domain.
<html>
<style>
summary {
/* Hide the triangle for comparing with div in reftest. */
list-style-type: none;
column-count: 3;
column-rule: 1px solid lightgray;
-webkit-column-count: 3;
-webkit-column-rule: 1px solid lightgray;
border: 1px solid lightblue;
background-color: lightgreen;
}
</style>
<body>
<details open>
<summary>
<p>line</p>
<p>line</p>
<p>line</p>
<p>line</p>
<p>line</p>
<p>line</p>
<p>line</p>
</summary>
<p>This is the details.</p>
</details>
</body>
</html>