源代码:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Wfuyu教程(wfuyu.com)</title> <style> p.bottommargin {margin-bottom:25%;} </style> </head> <body> <p>This is a paragraph with no margin specified.</p> <p class="bottommargin">This is a paragraph with a specified bottom margin.</p> <p>This is a paragraph with no margin specified.</p> </body> </html>
运行结果：