<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>CSS Test: 'contain: size' on multicol elements should cause them to be sized as if they had no contents</title>
  <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
  <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-size">
  <link rel="match" href="contain-size-multicol-003-ref.html">
  <style>
  .contain {
    contain: size;
    border: 1em solid green;
    background: red;
    column-count: 3;
  }
  .innerContents {
    color: transparent;
    height: 100px;
    width: 100px;
  }
  .col-width {
    column-width: 20px;
  }
  .col-gap {
    column-gap: 5px;
  }
  .flexBaselineCheck {
    display: flex;
    align-items: baseline;
  }
  .min {
    width: min-content;
  }
  .max {
    width: max-content;
  }
  </style>
</head>
<body>
  <!-- This test verifies that contain:size doesn't interfere with the
       determination of a multicol element's baseline. -->
  <div class="flexBaselineCheck">
    outside before
    <div class="contain">
      <div class="innerContents">inner</div>
    </div>
    outside after
  </div>
  <br>

  <!--The following tests are used to ensure column-gaps and column-widths continue to contribute to the minimum and maximum width of a size-contained multicol element. Each should render as if it had no contents.-->

  <div class="contain min col-width"><div class="innerContents">inner</div></div>
  <br>

  <div class="contain max col-width"><div class="innerContents">inner</div></div>
  <br>

  <div class="contain min col-gap col-width"><div class="innerContents">inner</div></div>
  <br>

  <div class="contain max col-gap col-width"><div class="innerContents">inner</div></div>
  <br>

  <div class="min">
    <div class="contain">
      <div class="innerContents">inner</div>
    </div>
  </div>
  <br>

  <div class="max">
    <div class="contain">
      <div class="innerContents">inner</div>
    </div>
  </div>
</body>
</html>
