Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-transforms/preserve3d-and-flattening-z-order-005.html - WPT Dashboard Interop Dashboard
<!DOCTYPE HTML>
<meta charset="utf-8">
<title>CSS Test (Transforms): Flattening at the leafward edges of a preserve-3d scene</title>
<meta name="assert" content="Elements are drawn in the correct z-order.">
<link rel="match" href="reference/green.html">
<style>
div, span {
height: 100px;
width: 100px;
background: red;
}
span {
display: inline-block;
vertical-align: top;
}
div:not(:first-child):not(.outer) {
/* put everything at the same position without using absolute positioning */
margin-top: -100px;
}
.outer, .sibling {
transform-style: preserve-3d;
}
.sibling {
transform: translateZ(-10px);
}
.child {
will-change: transform;
position: relative;
z-index: -1;
}
</style>
<p>Pass if there is NO red below:</p>
<div class="outer">
<div class="sibling"></div>
<div class="flattener"><span style="background: green"></span><div class="child"></div><div></div></div>
<div class="flattener"><div class="child"></div><div></div></div>
</div>