<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#anchor-pos">
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#fallback">
<link rel="help" href="https://drafts.csswg.org/css-grid/#abspos-items">
<link rel="author" href="mailto:[email protected]">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<script src="support/test-common.js"></script>
<style>
.cb {
position: relative;
}
.grid {
display: grid;
grid-template-columns: repeat(4, 100px);
grid-template-rows: 50px 100px 50px 50px;
}
.item {
background: lightgray;
}
.spacer {
background: yellow;
}
.anchor1 {
anchor-name: --a1;
background: orange;
margin-left: 15px;
width: 20px;
height: 30px;
}
.target {
grid-column: 2 / 4;
grid-row: 2 / 4;
position: absolute;
position-try-fallbacks: --f1, --f2, --f3;
width: 100px;
height: 100px;
background: lime;
opacity: .2;
/* Position to the left of the anchor. */
position-anchor: --a1;
right: anchor(left);
top: anchor(top);
}
@position-try --f1 {
inset: auto;
left: anchor(right);
top: anchor(top);
width: 250px;
}
@position-try --f2 {
/* Position to the right of the anchor. This entry should succeed. */
inset: auto;
left: anchor(right);
top: anchor(top);
}
@position-try --f3 {
/* Zero-sized, the last entry wins if none succeeded. */
inset: auto;
left: 0;
top: 0;
width: 0;
height: 0;
}
</style>
<body onload="checkLayoutForAnchorPos('.target')">
<div>
<div class="spacer" style="height: 10px"></div>
<div class="grid cb">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
<div class="item">5</div>
<div class="item">
<div class="spacer" style="height: 20px"></div>
<div class="anchor1"></div>
</div>
<div class="item">7</div>
<div class="item">8</div>
<div class="item">9</div>
<div class="item">10</div>
<div class="item">11</div>
<div class="item">12</div>
<div class="item">13</div>
<div class="item">14</div>
<div class="item">15</div>
<div class="item">16</div>
<div class="target"
data-offset-x=135 data-offset-y=70
data-expected-height=100></div>
</div>
</div>
</body>
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