<!DOCTYPE html>
<html>
<head>
<style>
body {
background-image: url('/i/logo/w3.png');
background-repeat: no-repeat;
background-position-x: right;
}
</style>
</head>
<body>
<h1>background-position-x 属性</h1>
<p>在此处，背景图像将定位在右侧。</p>
</body>
</html>