源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>开源教程(ossoft.cn)</title> <style> div { border:1px solid black; padding:35px; background-image:url('smiley.gif'); background-repeat:no-repeat; background-position:left; } #div1 { background-origin:border-box; } #div2 { background-origin:content-box; } </style> </head> <body> <p>背景图像边界框的相对位置：</p> <div id="div1"> Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. </div> <p>背景图像的相对位置的内容框：</p> <div id="div2"> Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. </div> </body> </html>
运行结果