菜鸟教程在线编辑器

AI 编程工具

 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>菜鸟教程(runoob.com)</title>
<style>
body
{
	background-image:url('paper.gif');
	background-repeat:repeat-y;
}
</style>
</head>

<body>
<p>repeat-y 设置只有垂直方向重复 background-image</p>
</body>
</html>
              