chromium/third_party/blink/web_tests/external/wpt/css/css-backgrounds/background-position-three-four-values.html

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

<title>CSS Test: 'Background-position' with three and four values</title>
<link rel="help" href="http://www.w3.org/TR/css3-background/#background-position" />
<meta name="assert" content="If three or four values are given to 'background-position', then each percentage or length value represents an offset from the edge specified by the preceeding keyword." />
<link rel="match" href="reference/background-position-three-four-values-ref.html">
<style type="text/css">
div {
  width: 200px;
  height: 200px;
  border: 2px solid black;
  background-image: url("support/blue_color.png");
  background-repeat: no-repeat;
  display: inline-block;
}
.test1  {
  background-position: left 50px center;
}
.test2 {
  background-position: right 25px top 75%;
}
.test3 {
  background-position: left 25px bottom 75%;
}
.test4 {
  background-position: right 25px bottom 25%;
}
</style>

</head>
<body>

<div class="test1"></div>
<div class="test2"></div>
<div class="test3"></div>
<div class="test4"></div>

</body>
</html>