overconstrained-001-print.html | Explore in Territory

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-page-3/#margin-dimension">
<meta name="assert" content="In an overconstrained situation, margins facing away from the page center are treated as auto, pushing the margin boxes towards to page area">
<link rel="match" href="overconstrained-001-print-ref.html">
<style>
  @page {
    margin: 100px;
    size: 500px 400px;
    border: solid blue;
    @top-left-corner {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @top-left {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @top-center {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @top-right {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @top-right-corner {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @right-top {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @right-middle {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @right-bottom {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @bottom-right-corner {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @bottom-right {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @bottom-center {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @bottom-left {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @bottom-left-corner {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @left-bottom {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @left-middle {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
    @left-top {
      border: solid;
      width: 25px;
      height: 25px;
      margin: 3px;
      content: "";
    }
  }
</style>
There should be 16 margin boxes around this page area. Within their available
space, they should all be squares, and be aligned towards the center of the
page, with a tiny margin separating their border from the blue border.
chromium/third_party/blink/web_tests/external/wpt/css/css-page/margin-boxes/overconstrained-001-print.html
