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<!DOCTYPE html>
<html>
<head>
<style>
#myDIV {
  height:300px; 
  border: 10px dashed black;
  padding: 25px;
  background-position-y: bottom; 
  background-image: url("img_tree.gif"); 
  background-repeat: no-repeat; 
  background-size: auto 50%;
}  
</style>
</head>
<body>
<h1>The background-position-y Property</h1>
<div id="myDIV">
This demo shows how to specify where the background image should be positioned on y-axis.
</div>
</body>
</html>