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CSS :first-child 伪类
trycss_sel_firstchild_more2
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<!DOCTYPE html> <html> <head> <style> i:first-child { background: yellow; } </style> </head> <body> <h1>Demo of :firstchild</h1> <p>I am a <i>strong</i> man. I am a <i>strong</i> man.</p> <p>I am a <i>strong</i> man. I am a <i>strong</i> man.</p> </body> </html>