wpt / css / CSS2 / positioning / absolute-non-replaced-max-height-003.xht

Status: PASS | Duration: 9ms | Subtests: 1/1 | Open test on wpt.live | Open ref on wpt.live | wpt.fyi

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/css/CSS2/positioning/absolute-non-replaced-max-height-003.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>CSS Test: Max-height on absolutely positioned, non-replaced elements, vertical centering</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
        <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-08-31 -->
        <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-height" />
		<link rel="match" href="absolute-non-replaced-max-height-003-ref.xht" />

        <meta name="assert" content="An absolutely positioned non-replaced element's padding box (which is the area painted by background-color of the element) will be vertically centered within its containing block only if both 'margin-top' and 'margin-bottom' have equal values and if 'top' and 'bottom' have equal values. An absolutely positioned non-replaced element's margin box will be vertically centered within its containing block only if 'top' and 'bottom' have equal values." />
        <style type="text/css">
            #div1
            {
                border: solid black;
                height: 3in;
                position: relative;
                width: 3in;
            }
            div div
            {
                background: blue;
                bottom: 0.5in;
                height: 1in;
                margin-bottom: auto;
                margin-top: auto;
                max-height: 0.5in;
                position: absolute;
                top: 0.5in;
                width: 100%;
            }
        </style>
    </head>
    <body>
        <p>Test passes if a blue rectangle is <strong>vertically centered</strong> in an hollow black square.</p>
        <div id="div1">
            <div></div>
        </div>
    </body>
</html>

/css/CSS2/positioning/absolute-non-replaced-max-height-003-ref.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

 <head>

  <title>CSS Reftest Reference</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />

  <style type="text/css"><![CDATA[
  div
  {
  border: black solid medium;
  height: 288px;
  width: 288px;
  }

  img {padding-top: 120px;}
  ]]></style>

 </head>

 <body>

  <p>Test passes if a blue rectangle is <strong>vertically centered</strong> in an hollow black square.</p>

  <div><img src="support/blue15x15.png" width="288" height="48" alt="Image download support must be enabled" /></div>

 </body>
</html>