html-css简单例子

例子

!()[https://nimbus.everhelper.me/client/notes/share/485779/gc7xho0zi6hyodgcmrri] !()[https://nimbus.everhelper.me/client/notes/share/485780/dpi25gyvsr29a82zdsdf]

总结:

  1. 使用伪类:before :after
  2. display:block,display:inline 3: 使用内联 style text/css
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