Blitz - WPT: stacking-context.html

wpt / svg / extensibility / foreignObject / stacking-context.html

/svg/extensibility/foreignObject/stacking-context.html

<!doctype HTML>
<title>Test that the foreignObject element is a stacking context</title>
<link rel="match" href="stacking-context-ref.html">
<link rel="help" href="https://w3c.github.io/svgwg/svg2-draft/single-page.html#embedded-ForeignObjectElement"/>
<style>
  * {
    margin: 0;
  }
  .el {
    width: 50px;
    height: 60px;
  }

</style>
  <!-- Test that the <foreignObject> root element is a stacking context, so z-index here
    has no effect on order w.r.t. #top, but still does for stacking under
    foreignObject -->
<svg style="width: 50px; height: 50px; overflow: visible; display: block">
  <foreignObject width=100 height=200>
    <div  class="el"
        style="position: absolute; z-index: 1; top: 40px; left: 10px; border: 1px solid black; background: lightblue"></div>
    <div  class="el"
        style="position: absolute; z-index: 2; top: 5px; left: 5px; border: 1px solid black; background: lightgreen"></div>
  </foreignObject>
</svg>
<div id=top class="el" style="position: relative; background: lightgray"></div>

/svg/extensibility/foreignObject/stacking-context-ref.html

<!doctype HTML>
<style>
  * {
    margin: 0;
  }
  .el {
    width: 50px;
    height: 60px;
  }

</style>
<div style="isolation: isolate">
  <div class="el"
      style="position: absolute; z-index: 1; top: 40px; left: 10px; border: 1px solid black; background: lightblue"></div>
  <div class="el"
      style="position: absolute; z-index: 2; top: 5px; left: 5px; border: 1px solid black; background: lightgreen"></div>
</div>
<div id=top class="el" style="position: relative; background: lightgray; top: 50px"></div>