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<!DOCTYPE html>
<title>CSS Position Absolute: css-position-3</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://drafts.csswg.org/css-position-3/#absolute-positioning-containing-block">
<link rel="help" href="https://drafts.csswg.org/css-box-4/#padding-physical">
<meta name="assert" content="abspos resolves padding %-ge sizes correctly.">
<style>
#outer-horizontal-padding {
position: relative;
padding: 10px;
width: 30px;
height: 80px;
background: green;
}
#inner-horizontal-padding {
position: absolute;
left: 50px;
height: 100px;
top: 0px;
padding-left: 50%;
padding-right: 50%;
background: green;
}
#outer-vertical-padding {
position: relative;
padding: 10px;
width: 30px;
height: 80px;
background: green;
}
#inner-vertical-padding {
position: absolute;
left: 50px;
width: 50px;
top: 0px;
padding-top: 100%;
padding-bottom: 100%;
background: green;
}
</style>
<div id="outer-horizontal-padding">
<div id="inner-horizontal-padding"></div>
</div>
<div id="outer-vertical-padding">
<div id="inner-vertical-padding"></div>
</div>
<script>
document.body.offsetTop;
test(() => {
let target = document.querySelector("#inner-horizontal-padding");
assert_equals(target.offsetWidth, 50);
}, 'absolute positioned element should resolve padding left+right against container padding-box width' );
test(() => {
let target = document.querySelector("#inner-vertical-padding");
assert_equals(target.offsetHeight, 100);
}, 'absolute positioned element should resolve padding top+bottom against container padding-box width' );
</script>
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