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[css-anchor-position-1] position-area normal alignment towards non-auto inset #55722

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Merged
merged 1 commit into from
Nov 3, 2025
Merged

[css-anchor-position-1] position-area normal alignment towards non-auto inset #55722

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101 changes: 101 additions & 0 deletions css/css-anchor-position/position-area-alignment-inset-001-expected.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,101 @@
<!DOCTYPE html>
<title>position-area normal alignment vs insets</title>
<link rel="help" href="https://www.w3.org/TR/css-anchor-position/#position-area-alignment">
<meta name="assert" content="Test passes if normal alignment aligns towards the non-auto inset.">
<style>
.container {
position: relative;
width: 100px;
height: 120px;
border: solid;
margin: 1em;
float: left;
}
.anchor {
border: solid blue 10px;
inset: 0;
place-self: center;
position: absolute;
}
.test {
border: solid 5px;
position: absolute;
width: 0;
height: 0;
}
.inset1 {
margin-bottom: auto;
margin-left: auto;
border-color: orange;
}
.inset2 {
margin-top: auto;
margin-right: auto;
border-color: teal;
}
.center {
margin: auto;
border-color: aqua;
}
</style>

<div class="container">
<div class="anchor"></div>
<div class="test inset1" style="inset: 0 60px 70px 0"></div>
<div class="test center" style="inset: 0 60px 70px 0"></div>
<div class="test inset2" style="inset: 0 60px 70px 0"></div>

<div class="test inset1" style="inset: 70px 0 0 60px"></div>
<div class="test center" style="inset: 70px 0 0 60px"></div>
<div class="test inset2" style="inset: 70px 0 0 60px"></div>

<div class="test inset1" style="inset: 50px 40px 50px 40px"></div>
<div class="test center" style="inset: 50px 40px 50px 40px"></div>
<div class="test inset2" style="inset: 50px 40px 50px 40px"></div>
</div>

<div class="container">
<div class="anchor"></div>
<div class="test inset1" style="inset: 0 0 70px"></div>
<div class="test center" style="inset: 0 0 70px"></div>
<div class="test inset2" style="inset: 0 0 70px"></div>

<div class="test inset1" style="inset: 70px 0 0"></div>
<div class="test center" style="inset: 70px 0 0"></div>
<div class="test inset2" style="inset: 70px 0 0"></div>

<div class="test inset1" style="inset: 50px 0"></div>
<div class="test center" style="inset: 50px 0"></div>
<div class="test inset2" style="inset: 50px 0"></div>
</div>


<div class="container" style="writing-mode: vertical-rl">
<div class="anchor"></div>
<div class="test inset1" style="inset: 0 60px 70px 0"></div>
<div class="test center" style="inset: 0 60px 70px 0"></div>
<div class="test inset2" style="inset: 0 60px 70px 0"></div>

<div class="test inset1" style="inset: 70px 0 0 60px"></div>
<div class="test center" style="inset: 70px 0 0 60px"></div>
<div class="test inset2" style="inset: 70px 0 0 60px"></div>

<div class="test inset1" style="inset: 50px 40px 50px 40px"></div>
<div class="test center" style="inset: 50px 40px 50px 40px"></div>
<div class="test inset2" style="inset: 50px 40px 50px 40px"></div>
</div>

<div class="container" style="writing-mode: vertical-rl">
<div class="anchor"></div>
<div class="test inset1" style="inset: 0 0 70px"></div>
<div class="test center" style="inset: 0 0 70px"></div>
<div class="test inset2" style="inset: 0 0 70px"></div>

<div class="test inset1" style="inset: 70px 0 0"></div>
<div class="test center" style="inset: 70px 0 0"></div>
<div class="test inset2" style="inset: 70px 0 0"></div>

<div class="test inset1" style="inset: 0 40px"></div>
<div class="test center" style="inset: 0 40px"></div>
<div class="test inset2" style="inset: 0 40px"></div>
</div>
101 changes: 101 additions & 0 deletions css/css-anchor-position/position-area-alignment-inset-001-ref.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,101 @@
<!DOCTYPE html>
<title>position-area normal alignment vs insets</title>
<link rel="help" href="https://www.w3.org/TR/css-anchor-position/#position-area-alignment">
<meta name="assert" content="Test passes if normal alignment aligns towards the non-auto inset.">
<style>
.container {
position: relative;
width: 100px;
height: 120px;
border: solid;
margin: 1em;
float: left;
}
.anchor {
border: solid blue 10px;
inset: 0;
place-self: center;
position: absolute;
}
.test {
border: solid 5px;
position: absolute;
width: 0;
height: 0;
}
.inset1 {
margin-bottom: auto;
margin-left: auto;
border-color: orange;
}
.inset2 {
margin-top: auto;
margin-right: auto;
border-color: teal;
}
.center {
margin: auto;
border-color: aqua;
}
</style>

<div class="container">
<div class="anchor"></div>
<div class="test inset1" style="inset: 0 60px 70px 0"></div>
<div class="test center" style="inset: 0 60px 70px 0"></div>
<div class="test inset2" style="inset: 0 60px 70px 0"></div>

<div class="test inset1" style="inset: 70px 0 0 60px"></div>
<div class="test center" style="inset: 70px 0 0 60px"></div>
<div class="test inset2" style="inset: 70px 0 0 60px"></div>

<div class="test inset1" style="inset: 50px 40px 50px 40px"></div>
<div class="test center" style="inset: 50px 40px 50px 40px"></div>
<div class="test inset2" style="inset: 50px 40px 50px 40px"></div>
</div>

<div class="container">
<div class="anchor"></div>
<div class="test inset1" style="inset: 0 0 70px"></div>
<div class="test center" style="inset: 0 0 70px"></div>
<div class="test inset2" style="inset: 0 0 70px"></div>

<div class="test inset1" style="inset: 70px 0 0"></div>
<div class="test center" style="inset: 70px 0 0"></div>
<div class="test inset2" style="inset: 70px 0 0"></div>

<div class="test inset1" style="inset: 50px 0"></div>
<div class="test center" style="inset: 50px 0"></div>
<div class="test inset2" style="inset: 50px 0"></div>
</div>


<div class="container" style="writing-mode: vertical-rl">
<div class="anchor"></div>
<div class="test inset1" style="inset: 0 60px 70px 0"></div>
<div class="test center" style="inset: 0 60px 70px 0"></div>
<div class="test inset2" style="inset: 0 60px 70px 0"></div>

<div class="test inset1" style="inset: 70px 0 0 60px"></div>
<div class="test center" style="inset: 70px 0 0 60px"></div>
<div class="test inset2" style="inset: 70px 0 0 60px"></div>

<div class="test inset1" style="inset: 50px 40px 50px 40px"></div>
<div class="test center" style="inset: 50px 40px 50px 40px"></div>
<div class="test inset2" style="inset: 50px 40px 50px 40px"></div>
</div>

<div class="container" style="writing-mode: vertical-rl">
<div class="anchor"></div>
<div class="test inset1" style="inset: 0 0 70px"></div>
<div class="test center" style="inset: 0 0 70px"></div>
<div class="test inset2" style="inset: 0 0 70px"></div>

<div class="test inset1" style="inset: 70px 0 0"></div>
<div class="test center" style="inset: 70px 0 0"></div>
<div class="test inset2" style="inset: 70px 0 0"></div>

<div class="test inset1" style="inset: 0 40px"></div>
<div class="test center" style="inset: 0 40px"></div>
<div class="test inset2" style="inset: 0 40px"></div>
</div>
101 changes: 101 additions & 0 deletions css/css-anchor-position/position-area-alignment-inset-001.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,101 @@
<!DOCTYPE html>
<title>position-area normal alignment vs insets</title>
<link rel="help" href="https://www.w3.org/TR/css-anchor-position/#position-area-alignment">
<meta name="assert" content="Test passes if normal alignment aligns towards the non-auto inset.">
<style>
.container {
position: relative;
width: 100px;
height: 120px;
border: solid;
margin: 1em;
float: left;
}
.anchor {
border: solid blue 10px;
anchor-name: --foo;
inset: 0;
place-self: center;
position: absolute;
}
.test {
border: solid 5px;
position: absolute;
position-anchor: --foo;
}
.inset1 {
top: 0;
right: 0;
border-color: orange;
}
.inset2 {
bottom: 0;
left: 0;
border-color: teal;
}
.center {
place-self: center;
border-color: aqua;
}
</style>

<div class="container">
<div class="anchor"></div>
<div class="test inset1" style="position-area: top left"></div>
<div class="test center" style="position-area: top left"></div>
<div class="test inset2" style="position-area: top left"></div>

<div class="test inset1" style="position-area: bottom right"></div>
<div class="test center" style="position-area: bottom right"></div>
<div class="test inset2" style="position-area: bottom right"></div>

<div class="test inset1" style="position-area: center"></div>
<div class="test center" style="position-area: center"></div>
<div class="test inset2" style="position-area: center"></div>
</div>

<div class="container">
<div class="anchor"></div>
<div class="test inset1" style="position-area: top"></div>
<div class="test center" style="position-area: top"></div>
<div class="test inset2" style="position-area: top"></div>

<div class="test inset1" style="position-area: bottom"></div>
<div class="test center" style="position-area: bottom"></div>
<div class="test inset2" style="position-area: bottom"></div>

<div class="test inset1" style="position-area: center span-all"></div>
<div class="test center" style="position-area: center span-all"></div>
<div class="test inset2" style="position-area: center span-all"></div>
</div>


<div class="container" style="writing-mode: vertical-rl">
<div class="anchor"></div>
<div class="test inset1" style="position-area: top left"></div>
<div class="test center" style="position-area: top left"></div>
<div class="test inset2" style="position-area: top left"></div>

<div class="test inset1" style="position-area: bottom right"></div>
<div class="test center" style="position-area: bottom right"></div>
<div class="test inset2" style="position-area: bottom right"></div>

<div class="test inset1" style="position-area: center"></div>
<div class="test center" style="position-area: center"></div>
<div class="test inset2" style="position-area: center"></div>
</div>

<div class="container" style="writing-mode: vertical-rl">
<div class="anchor"></div>
<div class="test inset1" style="position-area: top"></div>
<div class="test center" style="position-area: top"></div>
<div class="test inset2" style="position-area: top"></div>

<div class="test inset1" style="position-area: bottom"></div>
<div class="test center" style="position-area: bottom"></div>
<div class="test inset2" style="position-area: bottom"></div>

<div class="test inset1" style="position-area: center span-all"></div>
<div class="test center" style="position-area: center span-all"></div>
<div class="test inset2" style="position-area: center span-all"></div>
</div>
3 changes: 1 addition & 2 deletions css/css-anchor-position/position-visibility-anchors-valid.tentative.html
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Expand Up @@ -18,8 +18,7 @@
width: 100px;
height: 100px;
background: red;
top: 0;
left: 0;
inset: 0;
}
</style>

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3 changes: 1 addition & 2 deletions css/css-anchor-position/position-visibility-anchors-visible-after-scroll-in-document.html
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Expand Up @@ -28,8 +28,7 @@
height: 100px;
background: green;
position: absolute;
top: 0;
left: 0;
inset: 0;
}
</style>

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3 changes: 1 addition & 2 deletions css/css-anchor-position/position-visibility-anchors-visible-after-scroll-in.html
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Expand Up @@ -33,8 +33,7 @@
height: 100px;
background: green;
position: absolute;
top: 0;
left: 0;
inset: 0;
}
</style>

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3 changes: 1 addition & 2 deletions css/css-anchor-position/position-visibility-anchors-visible-chained-004.html
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Expand Up @@ -38,8 +38,7 @@
height: 50px;
background: green;
position: absolute;
top: 0;
left: 0;
inset: 0;
}

#chained {
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3 changes: 1 addition & 2 deletions css/css-anchor-position/position-visibility-anchors-visible-change-anchor.html
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Expand Up @@ -38,8 +38,7 @@
height: 100px;
background: green;
position: absolute;
top: 0;
left: 0;
inset: 0;
}
</style>

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3 changes: 1 addition & 2 deletions css/css-anchor-position/position-visibility-anchors-visible-change-css-visibility.html
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Expand Up @@ -27,8 +27,7 @@
height: 100px;
background: green;
position: absolute;
top: 0;
left: 0;
inset: 0;
}
</style>

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9 changes: 3 additions & 6 deletions css/css-anchor-position/position-visibility-anchors-visible-in-overflow-ref.html
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Expand Up @@ -32,8 +32,7 @@
height: 50px;
background: green;
position: absolute;
top: 0;
left: 0;
inset: 0;
}
#target-b {
position-anchor: --anchor;
Expand All @@ -43,8 +42,7 @@
height: 50px;
background: green;
position: absolute;
top: 0;
left: 0;
inset: 0;
}
#target-c {
position-anchor: --anchor;
Expand All @@ -54,8 +52,7 @@
height: 50px;
background: green;
position: absolute;
top: 0;
left: 0;
inset: 0;
}
</style>

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