Blitz - WPT: paint-order-003-print.html

wpt / css / css-page / margin-boxes / paint-order-003-print.html

/css/css-page/margin-boxes/paint-order-003-print.html

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-page-3/#painting">
<meta name="assert" content="Test margin boxes with z-index.">
<link rel="match" href="paint-order-003-print-ref.html">
<style>
  :root {
    print-color-adjust: exact;
  }
  @page {
    size: 500px;
    margin: 50px;
    margin-top: 100px;
    @top-left-corner {
      content: "";
      width: 100px;
      height: 100px;
      margin-right: -50px;
      background: green;
      z-index: -1;
    }
    @top-left {
      content: "";
      border-left: 50px solid red;
      border-right: 50px solid red;
      width: 100px;
      height: 100px;
      background: green;
      z-index: -2;
    }
    @top-center {
      content: "";
      width: 100px;
      height: 100px;
      z-index: 1;
      background: green;
    }
    @top-right {
      content: "";
      border-left: 50px solid red;
      border-right: 50px solid red;
      width: 100px;
      height: 100px;
      background: green;
      z-index: -2;
    }
    @top-right-corner {
      content: "";
      width: 100px;
      height: 100px;
      margin-left: -50px;
      background: green;
      z-index: -1;
    }

    @bottom-left-corner {
      content: "";
      width: 100px;
      height: 100px;
      margin-top: -50px;
      margin-right: -50px;
      background: cyan;
      z-index: -1;
    }
    @bottom-right-corner {
      content: "";
      width: 100px;
      height: 100px;
      margin-top: -50px;
      margin-left: -50px;
      background: yellow;
    }
  }
  body {
    margin: 0;
    background: #ddd;
  }
</style>
<p>The margin area above this page should be green. No red.</p>
<p>The cyan square in the bottom left corner should be overlapped by the gray document background.</p>
<p>The yellow square in the bottom right corner should be on top of the gray document background.</p>

/css/css-page/margin-boxes/paint-order-003-print-ref.html

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<style>
  @page {
    size: 500px;
    margin: 0;
  }
  :root {
    print-color-adjust: exact;
  }
  body {
    margin: 0;
  }
</style>
<div style="height:100px; background:green;"></div>
<div style="position:absolute; z-index:-1; left:0; bottom:0; width:100px; height:100px; background:cyan;"></div>
<div style="position:absolute; right:0; bottom:0; width:100px; height:100px; background:yellow;"></div>
<div style="display:flow-root; margin:0 50px; height:350px; background:#ddd;">
  <p>The margin area above this page should be green. No red.</p>
  <p>The cyan square in the bottom left corner should be overlapped by the gray document background.</p>
  <p>The yellow square in the bottom right corner should be on top of the gray document background.</p>
</div>