<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>CSS Test: 'contain: size' on buttons 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-button-002-ref.html">
  <style>
  button {
    contain: size;
    margin: 0;
    border: 1em solid green;
    /* In case the testcase's 'inner' text is taller than the button, don't let
       it influence its line-box's size.  This lets us more-easily compare
       sizing between empty buttons vs. contained nonempty buttons. */
    vertical-align: top;
  }
  .vaBaseline {
    vertical-align: baseline;
  }
  .innerContents {
    color: transparent;
    height: 100px;
    width: 100px;
  }
  .minWidth {
    min-width: 50px;
  }
  .width {
    width: 50px;
  }
  .minHeight {
    min-height: 50px;
    background: lightblue;
  }
  .height {
    height: 50px;
    background: lightblue;
  }
  .floatLBasic {
    float: left;
  }
  .floatLWidth {
    float: left;
    width: 50px;
  }
  br { clear: both }
  .iFlexBasic {
    display: inline-flex;
  }
  .iFlexWidth {
    display: inline-flex;
    width: 50px;
  }
  .orthog {
    writing-mode: vertical-lr;
  }
  </style>
</head>
<body>
  <!--CSS Test: A size-contained button with no specified size should render at 0 height regardless of content.-->
  <button><div class="innerContents">inner</div></button>
  <br>

  <!--CSS Test: A size-contained floated button with no specified size should render at 0px by 0px regardless of content.-->
  <button class="floatLBasic"><div class="innerContents">inner</div></button>
  <br>

  <!--CSS Test: A size-contained floated button with specified width and no specified height should render at given width and 0 height regardless of content.-->
  <button class="floatLWidth"><div class="innerContents">inner</div></button>
  <br>

  <!--CSS Test: A size-contained inline-flex button with no specified size should render at 0px by 0px regardless of content.-->
  <button class="iFlexBasic"><div class="innerContents">inner</div></button>
  <br>

  <!--CSS Test: A size-contained inline-flex button with specified width and no specified height should render at given width and 0 height regardless of content.-->
  <button class="iFlexWidth"><div class="innerContents">inner</div></button>
  <br>

  <!--CSS Test: A size-contained button should perform baseline alignment regularly.-->
  outside before<button class="vaBaseline"><div class="innerContents">inner</div></button>outside after
  <br>

  <!--CSS Test: A size-contained button with specified min-width should render at given min-width and zero height regardless of content.-->
  <button class="minWidth"><div class="innerContents">inner</div></button>
  <br>

  <!--CSS Test: A size-contained button with specified width should render at given width and zero height regardless of content.-->
  <button class="width"><div class="innerContents">inner</div></button>
  <br>

  <!--CSS Test: A size-contained button with specified min-height should render at given min-height regardless of content.-->
  <button class="minHeight"><div class="innerContents">inner</div></button>
  <br>

  <!--CSS Test: A size-contained button with specified height should render at given height regardless of content.-->
  <button class="height"><div class="innerContents">inner</div></button>
  <br>

  <!--CSS Test: A size-contained button with vertical text should perform baseline alignment regularly.-->
  s<button class="orthog vaBaseline"><div class="innerContents">inner</div></button>endtext
  <br>

  <!--CSS Test: A size-contained button with inner text should layout the text in the same manner as a container of the same type with identical contents.-->
  <button class="height width">inside</button>
</body>
</html>
