css的一些小tips

陈铭鸿_

于 2020-04-23 19:48:48 发布

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本文链接：https://blog.youkuaiyun.com/u014182377/article/details/105715723

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h1 {
    counter-reset: h2counter;
}
h2 {
    counter-increment: h2counter;
    counter-reset: h3counter;
}
h3 {
    counter-increment: h3counter;
    counter-reset: h4counter;
}
h4 {
    counter-increment: h4counter;
}

h2::before {
    content: counter(h2counter) ". ";
}
h3::before {
    content: counter(h2counter) "." counter(h3counter) ". ";
}
h4::before {
    content: counter(h2counter) "." counter(h3counter) "." counter(h4counter) ". ";
}