个回答

• 败絮内外

  2017-07-24 18:06:09

   a:before{ content:"";display:inline-block; width:10px; height:2px; padding:2px 0; border-top:2px solid; border-bottom:2px solid; background-clip:content-box; background-color:#000;}

  圆点  a::before{content:"";display:inline-block;width:10px; height:10px; padding:2px; border-radius:50%; border:2px solid #000; background-color:#000; background-clip:content-box;}

  
  

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• z_l

  2017-03-03 14:30:05

  三条线     a:before{ content:"";display:inline-block; width:10px; height:2px; padding:2px 0; border-top:2px solid; border-bottom:2px solid; background-clip:content-box; background-color:#000;}

  圆点  a::before{content:"";display:inline-block;width:10px; height:10px; padding:2px; border-radius:50%; border:2px solid #000; background-color:#000; background-clip:content-box;}

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