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源代码：
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>安科教程(www.ancii.com)</title> <style> p.padding {padding-bottom:2cm;} p.padding2 {padding-bottom:50%;} </style> </head> <body> <p>This is a text with no bottom padding. This is a text with no bottom padding. This is a text with no bottom padding.</p> <p class="padding">This text has a bottom padding of 2 cm. This text has a bottom padding of 2 cm. This text has a bottom padding of 2 cm.</p> <p class="padding2">This text has a bottom padding of 50%. This text has a bottom padding of 50%. This text has a bottom padding of 50%.</p> </body> </html>
运行结果
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