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[Gecko Bug 2008537] Add a simple reftest to confirm default anchor-center justification is 'safe'. #56992

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Merged
moz-wptsync-bot merged 1 commit into from
Jan 6, 2026
Merged

[Gecko Bug 2008537] Add a simple reftest to confirm default anchor-center justification is 'safe'. #56992

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55 changes: 55 additions & 0 deletions css/css-anchor-position/position-area-justify-self-safe-001-ref.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,55 @@
<!DOCTYPE html>
<meta charset="utf-8">

<title>CSS Anchor Positioning reference</title>

<style>
.container {
width: 100px;
height: 50px;
border: 1px solid gray;
margin: 10px;
position: relative;
}

.anchor {
width: 10px;
height: 10px;
top: 30px;
position: absolute;
background: blue;
}

.anchored {
width: 50px;
height: 20px;
top: 10px;
position: absolute;
background: green;
}
</style>

<div class=container>
<div class=anchor style="left: 10px"></div>
<div class=anchored style="left: 0px"></div>
</div>

<div class=container>
<div class=anchor style="left: 45px"></div>
<div class=anchored style="left: 25px"></div>
</div>

<div class=container>
<div class=anchor style="left: 80px"></div>
<div class=anchored style="left: 50px"></div>
</div>

<div class=container>
<div class=anchor style="left: 5px"></div>
<div class=anchored style="left: 10px"></div>
</div>

<div class=container>
<div class=anchor style="left: 85px"></div>
<div class=anchored style="left: 40px"></div>
</div>
64 changes: 64 additions & 0 deletions css/css-anchor-position/position-area-justify-self-safe-001.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,64 @@
<!DOCTYPE html>
<meta charset="utf-8">

<title>CSS Anchor Positioning: default anchor-center alignment is safe</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#position-area-alignment">
<link rel="help" href="https://www.w3.org/TR/css-align-3/#auto-safety">
<link rel="match" href="position-area-justify-self-safe-001-ref.html">

<style>
.container {
width: 100px;
height: 50px;
border: 1px solid gray;
margin: 10px;
position: relative;
}

.anchor {
width: 10px;
height: 10px;
top: 30px;
position: absolute;
background: blue;
anchor-name: --a;
}

.anchored, .anchored2 {
width: 50px;
height: 20px;
position: absolute;
position-area: top;
position-anchor: --a;
background: green;
}

.anchored2 {
margin: 0 10px;
}
</style>

<div class=container>
<div class=anchor style="left: 10px"></div>
<div class=anchored></div>
</div>

<div class=container>
<div class=anchor style="left: 45px"></div>
<div class=anchored></div>
</div>

<div class=container>
<div class=anchor style="left: 80px"></div>
<div class=anchored></div>
</div>

<div class=container>
<div class=anchor style="left: 5px"></div>
<div class=anchored2></div>
</div>

<div class=container>
<div class=anchor style="left: 85px"></div>
<div class=anchored2></div>
</div>