<!doctype html>
<html>
<head>
<style>
* {
background-color: blue;
color: black;
border: 5px solid black;
}
html, body, p {
background-color: white;
target {
background-color: green;
:is(#foo, .bar, target.notthere, *, foo>bar) {
color: blue;
border: none;
color: white;
</style>
</head>
<body>
<target>Target</target>
</body>
</html>