Blitz - WPT: preserve3d-and-flattening-z-order-008.html

wpt / css / css-transforms / preserve3d-and-flattening-z-order-008.html

/css/css-transforms/preserve3d-and-flattening-z-order-008.html

<!DOCTYPE HTML>
<meta charset="utf-8">
<title>CSS Test (Transforms): Flattening at the leafward edges of a preserve-3d scene</title>
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1255544">
<link rel="author" title="L. David Baron" href="https://dbaron.org/">
<link rel="author" title="Google" href="http://www.google.com/">
<link rel="help" href="http://www.w3.org/TR/css-transforms-2/#3d-transform-rendering">
<meta name="assert" content="Elements are drawn in the correct z-order.">
<meta name="fuzzy" content="maxDifference=1; totalPixels=0-3244">
<link rel="match" href="reference/green.html">

<style>
div, span {
  height: 100px;
  width: 100px;
  background: red;
}
span {
  display: inline-block;
  vertical-align: bottom;
}
.outer, .sibling {
  transform-style: preserve-3d;
}
.sibling {
  margin-top: -100px;
  transform: translateZ(-10px);
}

.flattener:first-child {
  background: linear-gradient(to bottom, green 0%, green 25%, red 25%, red 100%);
}
.flattener:first-child > .child {
  background: linear-gradient(to bottom, green 0%, green 50%, red 50%, red 100%);
  margin-top: 50px;
  height: 50px;
}
.flattener:last-child {
  background: linear-gradient(to bottom, green 0px, green 25px, red 25px, red 75px);
  margin-top: -75px;
  height: 75px;
}
.flattener:last-child > .child {
  background: green;
  margin-top: 50px;
  height: 25px;
}
</style>

<p>Pass if there is NO red below:</p>

<div class="outer">
  <div class="flattener"><span class="child"></span></div>
  <div class="sibling"></div>
  <div class="flattener"><span class="child"></span></div>
</div>

/css/css-transforms/reference/green.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Reference: A green box</title>
<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org">
<link rel="author" title="Mozilla" href="https://www.mozilla.org">
<p>Pass if there is NO red below:</p>
<div id="ref" style="width: 100px; height: 100px; background: green"></div>