| <!DOCTYPE html> |
| <title>Nested top-constrainted position:sticky elements should render correctly</title> |
| <link rel="match" href="position-sticky-nested-top-ref.html" /> |
| <link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" /> |
| <meta name="assert" content="This test checks that nested position:sticky elements with a top constraint render correctly" /> |
| |
| <style> |
| .group { |
| display: inline-block; |
| position: relative; |
| width: 150px; |
| height: 250px; |
| } |
| |
| .scroller { |
| position: relative; |
| width: 100px; |
| height: 200px; |
| overflow-x: hidden; |
| overflow-y: auto; |
| } |
| |
| .contents { |
| height: 500px; |
| } |
| |
| .prepadding { |
| height: 100px; |
| } |
| |
| .container { |
| height: 200px; |
| } |
| |
| .innerpadding { |
| height: 50px; |
| } |
| |
| .outerIndicator { |
| background-color: red; |
| position: absolute; |
| left: 0; |
| height: 100px; |
| width: 100%; |
| } |
| |
| .innerIndicator { |
| background-color: red; |
| position: absolute; |
| left: 0; |
| height: 50px; |
| width: 100%; |
| } |
| |
| .outerSticky { |
| background-color: green; |
| position: sticky; |
| top: 50px; |
| width: 100%; |
| height: 100px; |
| } |
| |
| .innerSticky { |
| background-color: blue; |
| position: sticky; |
| top: 60px; |
| width: 100%; |
| height: 50px; |
| } |
| </style> |
| |
| <script> |
| window.addEventListener('load', function() { |
| document.getElementById('scroller1').scrollTop = 50; |
| document.getElementById('scroller2').scrollTop = 125; |
| document.getElementById('scroller3').scrollTop = 225; |
| }); |
| </script> |
| |
| <div class="group"> |
| <div id="scroller1" class="scroller"> |
| <div class="outerIndicator" style="top: 150px;"></div> |
| <div class="contents"> |
| <div class="prepadding"></div> |
| <div class="container"> |
| <div class="innerpadding"></div> |
| <div class="outerSticky"> |
| <div class="innerIndicator" style="top: 0;"></div> |
| <div class="innerSticky"></div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| |
| <div class="group"> |
| <div id="scroller2" class="scroller"> |
| <div class="outerIndicator" style="top: 175px;"></div> |
| <div class="contents"> |
| <div class="prepadding"></div> |
| <div class="container"> |
| <div class="innerpadding"></div> |
| <div class="outerSticky"> |
| <div class="innerIndicator" style="top: 10px;"></div> |
| <div class="innerSticky"></div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| |
| <div class="group"> |
| <div id="scroller3" class="scroller"> |
| <div class="outerIndicator" style="top: 200px;"></div> |
| <div class="contents"> |
| <div class="prepadding"></div> |
| <div class="container"> |
| <div class="innerpadding"></div> |
| <div class="outerSticky"> |
| <div class="innerIndicator" style="top: 50px;"></div> |
| <div class="innerSticky"></div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| |
| <div>You should see three green and three blue boxes above. No red should be visible.</div> |
