编辑下面的代码:
【加编码】
查看效果 »
<html> <head> <style> p:first-child { color:blue; } </style> </head> <body> <p>This is some text.</p> <p>This is some text.</p> <p><b>Note:</b> For :first-child to work in IE8 and earlier, a DOCTYPE must be declared.</p> </body> </html>
结果:
【此窗口】
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