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试用：使用 background-origin 属性
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<!DOCTYPE html> <html> <head> <style> #example1 { border: 10px solid black; padding: 35px; background: url(img_flwr.gif); background-repeat: no-repeat; } #example2 { border: 10px solid black; padding: 35px; background: url(img_flwr.gif); background-repeat: no-repeat; background-origin: border-box; } #example3 { border: 10px solid black; padding: 35px; background: url(img_flwr.gif); background-repeat: no-repeat; background-origin: content-box; } </style> </head> <body> <h1>The background-origin Property</h1> <p>No background-origin (padding-box is default):</p> <div id="example1"> <h2>Lorem Ipsum Dolor</h2> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.</p> <p>Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.</p> </div> <p>background-origin: border-box:</p> <div id="example2"> <h2>Lorem Ipsum Dolor</h2> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.</p> <p>Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.</p> </div> <p>background-origin: content-box:</p> <div id="example3"> <h2>Lorem Ipsum Dolor</h2> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.</p> <p>Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.</p> </div> </body> </html>
