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Test Info:

<!DOCTYPE html>
<meta charset="utf-8">
<title>low, fixed, and high should all evaluate to true in the boolean context.</title>
<style>
div {
width: 100px;
height: 100px;
}
@media(prefers-contrast) {
div {
outline: 2px solid black;
}
}
</style>
<div></div>