<!DOCTYPE html>
<html>
<head>
<style>
body {
background-image: url('/i/logo/w3.png');
background-repeat: no-repeat;
background-position-x: 150px;
}
</style>
</head>
<body>
<h1>background-position-x 属性</h1>
<p>在此，背景图像将距离左侧 150 像素。</p>
</body>
</html>