<!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/#propdef-backface-visibility">
<link rel="match" href="subpixel-perspective-translate-z-0-ref.html">
<meta name="assert" content="Subpixel-positioned contents should be rendered the same regardless of perspective and translateZ(0)">
<div style="position: relative; top: 0.6px; left: 0.4px; width: 300px; height: 300px;
            perspective: 1000px; overflow: hidden">
  <div style="width: 100px; height: 100px;
              transform: translateZ(0); border: 1px solid black"></div>
</div>