зеркало из https://github.com/mozilla/gecko-dev.git
169 строки
5.0 KiB
HTML
169 строки
5.0 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/
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-->
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<!-- Reference case for flex items containing overlapping content.
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This reference uses inline-block in place of inline-flex, with floated
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children in place of flex items, and with hardcoded DOM-reordering in
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place of "order" reordering. -->
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<style>
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body {
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line-height: 0;
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}
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.flexbox {
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display: inline-block;
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width: 20px;
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height: 10px;
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border: 2px solid gray;
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margin-bottom: 10px;
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margin-right: 10px;
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}
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.a {
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width: 10px;
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height: 10px;
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background: lightblue;
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float: left; /* to stack horizontally, like a flex item */
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}
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.b {
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width: 10px;
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height: 10px;
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background: pink;
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float: left; /* to stack horizontally, like a flex item */
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}
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.aKid {
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margin-left: 3px;
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margin-top: 3px;
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width: 10px;
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height: 10px;
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background: steelblue;
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border: 1px solid blue;
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}
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.bKid {
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margin-left: 3px;
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margin-top: 6px;
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width: 10px;
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height: 10px;
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background: violet;
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border: 1px solid purple;
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}
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/* Need to set 'position' for z-index to take effect. */
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.zn2 { z-index: -2; position: relative; }
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.zn1 { z-index: -1; position: relative; }
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.z0 { z-index: 0; position: relative; }
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.z1 { z-index: 1; position: relative; }
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</style>
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</head>
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<body>
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<!-- order not set: -->
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<div class="flexbox">
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<div class="a"><div class="aKid"/></div>
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<div class="b"><div class="bKid"/></div>
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</div>
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<br/>
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<!-- order set, but it matches content order, so it shouldn't matter: -->
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<div class="flexbox">
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<div class="a"><div class="aKid"/></div>
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<div class="b"><div class="bKid"/></div>
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</div
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><div class="flexbox">
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<div class="a"><div class="aKid"/></div>
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<div class="b"><div class="bKid"/></div>
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</div
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><div class="flexbox">
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<div class="a"><div class="aKid"/></div>
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<div class="b"><div class="bKid"/></div>
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</div
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><div class="flexbox">
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<div class="a"><div class="aKid"/></div>
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<div class="b"><div class="bKid"/></div>
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</div
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><div class="flexbox">
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<div class="a"><div class="aKid"/></div>
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<div class="b"><div class="bKid"/></div>
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</div
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><div class="flexbox">
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<div class="a"><div class="aKid"/></div>
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<div class="b"><div class="bKid"/></div>
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</div>
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<br/>
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<!-- order set to reverse of content-order: -->
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<div class="flexbox">
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<div class="b"><div class="bKid"/></div>
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<div class="a"><div class="aKid"/></div>
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</div
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><div class="flexbox">
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<div class="b"><div class="bKid"/></div>
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<div class="a"><div class="aKid"/></div>
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</div
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><div class="flexbox">
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<div class="b"><div class="bKid"/></div>
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<div class="a"><div class="aKid"/></div>
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</div
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><div class="flexbox">
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<div class="b"><div class="bKid"/></div>
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<div class="a"><div class="aKid"/></div>
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</div>
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<br/>
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<!-- order set to reverse of content-order, AND with z-index set on
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one or both items, but not such that it changes the paint order -->
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<div class="flexbox">
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<div class="b"><div class="bKid"/></div>
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<div class="a"><div class="aKid"/></div>
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</div
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><div class="flexbox">
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<div class="b"><div class="bKid"/></div>
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<div class="a"><div class="aKid"/></div>
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</div
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><div class="flexbox">
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<div class="b"><div class="bKid"/></div>
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<div class="a"><div class="aKid"/></div>
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</div
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><div class="flexbox">
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<div class="b"><div class="bKid"/></div>
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<div class="a"><div class="aKid"/></div>
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</div>
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<br/>
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<!-- order set to reverse of content-order, AND with z-index set on
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one or both items, in such a way that it affects paint order -->
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<div class="flexbox">
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<!-- 'a' is behind the container's border -->
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<div class="b"><div class="bKid"/></div>
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<div class="a zn1"><div class="aKid"/></div>
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</div
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><div class="flexbox">
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<!-- 'a' and 'b' are both behind the container's border -->
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<div class="b zn1"><div class="bKid"/></div>
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<div class="a zn1"><div class="aKid"/></div>
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</div
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><div class="flexbox">
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<!-- 'a' and 'b' are both behind the container's border,
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and 'a' is behind 'b' despite coming after it in the 'order'
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ordering-->
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<div class="b zn1"><div class="bKid"/></div>
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<div class="a zn2"><div class="aKid"/></div>
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</div
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><div class="flexbox">
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<!-- 'a' and 'b' are both in front of the container's border,
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and 'a' is behind 'b' despite coming after it in the 'order'
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ordering-->
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<div class="b z1"><div class="bKid"/></div>
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<div class="a z0"><div class="aKid"/></div>
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</div>
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</body>
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</html>
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