源代码:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Wfuyu教程(wfuyu.com)</title> <style> p { color:blue; text-align:center; } .marked { background-color:red; } .marked p { color:white; } </style> </head> <body> <p>This paragraph has blue text, and is center aligned.</p> <div class="marked"> <p>This paragraph has not blue text.</p> </div> <p>p elements inside a "marked" classed element keeps the alignment style, but has a different text color.</p> </body> </html>
运行结果：