css/css-backgrounds/background-clip-padding-box-with-border-radius.html

<!DOCTYPE html>
<html>
<!-- Submitted from TestTWF Paris -->
<head>

<title>CSS Backgrounds and Borders Test: background-clip: padding-box with border-radius</title>
<link rel="author" title="Lea Verou" href="http://lea.verou.me" />
<link rel="help" href="http://www.w3.org/TR/css3-background/#the-background-clip" />
<link rel="help" href="http://www.w3.org/TR/css3-background/#corner-shaping" />
<link rel="match" href="reference/background-clip-padding-box-with-border-radius-ref.html" />
<meta name="fuzzy" content="maxDifference=0-29;totalPixels=0-80" />
<meta name="assert" content="Backgrounds clipped to the padding box should follow the padding box curve, which should be equal to the outer border radius minus the corresponding border thickness." />
<style>
div {
	position: absolute;
}

.container {
	position: relative;
	width: 140px;
	height: 140px;
	margin: 10px;
}

.ref {
	top: 10px;
	left: 10px;
	height: 140px;
	width: 140px;
	border-radius: 30px;
}

.test {
	width: 100px;
	height: 100px;
	padding: 20px;
	border: 10px solid transparent;
	border-radius: 40px;
	background-clip: padding-box;
}

.behind {
	background-color: red;
}

.top {
	background-color: green;
}

.ref.top {
	width: 144px;
	height: 144px;
	left: 8px;
	top: 8px;
}

.test.top {
	width: 104px;
	height: 104px;
	left: -2px;
	top: -2px;
}
</style>

</head>
<body>

<p>Test passes if there are two filled green rounded squares and <strong>no red</strong>.</p>
<div class="container">
  <div class="test behind"></div>
  <div class="ref top"></div>
</div>

<div class="container">
  <div class="ref behind"></div>
  <div class="test top"></div>
</div>

</body>
</html>