Blitz - WPT: column-negative-margin-001.html

wpt / css / css-grid / grid-lanes / item-placement / column-negative-margin-001.html

/css/css-grid/grid-lanes/item-placement/column-negative-margin-001.html

<!DOCTYPE html>
<html>
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="column-negative-margin-001-ref.html">
<link rel="author" title="Celeste Pan" href="mailto:celestepan@microsoft.com">
<style>
.grid-lanes {
    display: grid-lanes;
    flow-tolerance: 0;
    grid-template-columns: 50px;
}
</style>
<body>
  <p>When an item with negative margins is placed, ensure that the margin is properly clamped and doesn't cause the running position to regress.</p>
  <div class="grid-lanes">
    <div style="background: aquamarine; height: 50px;" >
      item 1
    </div>
    <div style="background: aquamarine; height: 50px;" >
      item 2
    </div>
    <div style="background: aquamarine; height: 50px;" >
      item 3
    </div>
    <div style="background: lightblue; height: 50px; margin-top: -100px;" >
      item 4
    </div>
    <div style="background: lightpink; height: 50px;">
      item 5
    </div>
  </div>
</body>
</html>

/css/css-grid/grid-lanes/item-placement/column-negative-margin-001-ref.html

<!DOCTYPE html>
<html>
<style>
</style>
<body>
<p>When an item with negative margins is placed, ensure that the margin is properly clamped and doesn't cause the running position to regress.</p>
  <div class="grid-lanes">
  <div style="display: flex; flex-direction: column; width: 50px;">
    <div style="background: aquamarine; height: 50px;" >
      item 1
    </div>
    <div style="background: lightblue; height: 50px;" >
      item 4
    </div>
    <div style="background: aquamarine; height: 50px;" >
      item 3
    </div>
    <div style="background: lightpink; height: 50px;">
      item 5
    </div>
  </div>
</body>
</html>