<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>css counter</title> <style> body { counter-reset: firstName; } h2{ list-style: none; counter-reset: twoName; } h2:before { counter-increment: firstName; // content:""; content: "Section " counter(firstName) ". "; } li:before { counter-increment: twoName; content: counter(firstName) "." counter(twoName) " "; } li{ list-style: none; } </style> </head> <body> <h2>圣诞节系列</h2> <ul> <li>麋鹿</li> <li>平安夜</li> <li>圣诞老人</li> </ul> <h2>元旦系列</h2> <ul> <li>跨年</li> <li>放假咯</li> <li>吃火锅</li> </ul> </body> </html>
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