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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/css/css-tables/absolute-tables-016.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Test: Abspos table centered in both axes with auto margins</title>
+<link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
+<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1480636">
+<link rel="help" href="https://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width">
+<meta name="assert" content="An absolutely-positioned fixed-size table should resolve auto margins the same way that a similarly-sized block would.">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+.container {
+ /* I've chosen this position/size so that a 100px child element that's
+ centered within us will be placed at our "normal" position (where our
+ top-left corner would be, in the absence of relative positioning), so we
+ can use the simple filled-green-100px-square reference case. */
+ position: relative;
+ left: -30px;
+ top: -30px;
+ width: 160px;
+ height: 160px;
+}
+.target {
+ display: block;
+ background: red;
+}
+.table {
+ display: table;
+ background: green;
+}
+.centered {
+ position: absolute;
+ width: 100px;
+ height: 100px;
+ inset: 0;
+ margin: auto; /* use auto margins for centering */
+}
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div class="container">
+ <!-- We're essentially just comparing the position of the block ("target")
+ and the table. We expect them to be placed at precisely the same spot,
+ so no red should be visible. -->
+ <div class="centered target"></div>
+ <div class="centered table"></div>
+</div>