servo/tests/wpt/css-tests/css-transforms-1_dev/xhtml1print/perspective-containing-block-dynamic-1a.xht
Ms2ger 296fa2512b Update web-platform-tests and CSS tests.
- Update CSS tests to revision e05bfd5e30ed662c2f8a353577003f8eed230180.
- Update web-platform-tests to revision a052787dd5c069a340031011196b73affbd68cd9.
2017-02-06 22:38:29 +01:00

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HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="utf-8" />
<title>CSS transforms: Creating containing block for fixed positioned elements</title>
<link href="https://dbaron.org/" rel="author" title="L. David Baron" />
<link href="http://www.mozilla.org/" rel="author" title="Mozilla" />
<link href="https://drafts.csswg.org/css-transforms-1/#perspective-property" rel="help" />
<link href="reference/containing-block-dynamic-1-ref.xht" rel="match" />
<meta content="It also establishes a containing block (somewhat similar to position: relative), just like the transform property does." name="assert" />
<meta content="dom" name="flags" />
<style>
html, body { margin: 0; padding: 0 }
#changeperspective {
position: absolute;
top: 100px;
left: 100px;
}
#abscovered {
position: absolute;
top: 50px;
left: 50px;
background: red;
height: 100px;
width: 100px;
}
#fixedmoves {
position: fixed;
top: 150px;
left: 150px;
background: green;
height: 100px;
width: 100px;
}
</style>
</head><body>
<div style="perspective: 1000px" id="changeperspective">
<div id="abscovered"></div>
<div id="fixedmoves"></div>
</div>
<script>
var changeperspective = document.getElementById("changeperspective");
var fixedmoves = document.getElementById("fixedmoves");
var causeFlush = fixedmoves.offsetTop;
changeperspective.style.perspective = "";
</script>
</body></html>