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106 lines
2.3 KiB
HTML
106 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<title>position:sticky elements should respect padding on their ancestor overflow element</title>
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<link rel="match" href="position-sticky-overflow-padding-ref.html" />
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<link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" />
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<meta name="assert" content="This test checks that position:sticky elements respect padding on their ancestor overflow element" />
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<style>
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.group {
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display: inline-block;
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position: relative;
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width: 150px;
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height: 250px;
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}
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.scroller {
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/* The target sticky position should be offset by this padding. */
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padding: 20px 0;
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position: relative;
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width: 100px;
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height: 200px;
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overflow-x: hidden;
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overflow-y: auto;
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}
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.contents {
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height: 500px;
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}
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.prepadding {
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height: 100px;
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}
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.container {
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height: 200px;
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}
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.innerpadding {
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height: 50px;
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}
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.indicator {
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background-color: red;
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position: absolute;
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left: 0;
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}
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.sticky {
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background-color: green;
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position: sticky;
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top: 0;
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}
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.box {
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width: 100%;
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height: 100px;
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}
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</style>
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<script>
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window.addEventListener('load', function() {
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document.getElementById('scroller1').scrollTop = 50;
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document.getElementById('scroller2').scrollTop = 175;
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document.getElementById('scroller3').scrollTop = 220;
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});
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</script>
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<div class="group">
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<div id="scroller1" class="scroller">
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<div class="indicator box" style="top: 170px;"></div>
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<div class="contents">
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<div class="prepadding"></div>
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<div class="container">
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<div class="innerpadding"></div>
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<div class="sticky box"></div>
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</div>
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</div>
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</div>
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</div>
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<div class="group">
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<div id="scroller2" class="scroller">
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<div class="indicator box" style="top: 195px;"></div>
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<div class="contents">
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<div class="prepadding"></div>
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<div class="container">
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<div class="innerpadding"></div>
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<div class="sticky box"></div>
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</div>
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</div>
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</div>
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</div>
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<div class="group">
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<div id="scroller3" class="scroller">
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<div class="indicator box" style="top: 220px;"></div>
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<div class="contents">
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<div class="prepadding"></div>
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<div class="container">
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<div class="innerpadding"></div>
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<div class="sticky box"></div>
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</div>
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</div>
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</div>
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</div>
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<div>You should see three green boxes above. No red should be visible.</div>
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