layout/reftests/high-contrast/prefers-contrast-001.html


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<!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>