css/css-transforms/subpixel-perspective-backface-hidden.html

<!DOCTYPE html>
<link ref="help" href="https://drafts.csswg.org/css-transforms-2/#perspective-property">
<link rel="help" href="https://drafts.csswg.org/css-transforms-2/#backface-visibility-property">
<link rel="match" href="subpixel-perspective-backface-hidden-ref.html">
<meta name="assert" content="Subpixel-positioned contents should be rendered the same regardless of perspective and backface-visibility:hidden">
<div style="padding: 0.4px 0.6px">
  <div style="perspective: 1000px; backface-visibility: hidden">
    <div style="width: 100px; height: 100px;
                backface-visibility: hidden;border: 1px solid black">
    </div>
  </div>
</div>