display-contents-list-item-child.html

Enable keyboard shortcuts

<!DOCTYPE html>

<html style="margin:2em;color:red">

<head>

<meta charset="UTF-8">

<script>

function boom()

    document.documentElement.offsetHeight;

    document.body.style.position = "fixed";

    document.documentElement.offsetHeight;

    document.documentElement.style.MozBoxSizing = "border-box";

    document.documentElement.offsetHeight;

</script>

</head>

<body style="display: contents;" onload="boom();"><li style="color:lime">LI</body></html>