css覆盖input默认样式(scss)

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CSS的content属性,加入一些特殊字符来实现网页效果:www.cnblogs.com/dayin1/p/13…

input[type=radio] {
      display: inline-block;
      width40px;
      height40px;
      opacity0.3;
      border2px solid #000000;
      border-radius50%;
      overflow: hidden;
      vertical-align: middle;
      text-align: center;
      -webkit-appearance: none; //把原来的样式整个抹掉
      outline0;
      background0 0;
      padding0;
  }
  input[type=radio]:checked{
    width40px;
    height40px;
    border2px solid #D6AA6A; 
    &::after { 
        content'\2022'font-size80px;
        text-align: center; 
        line-height:40pxcolor#D6AA6A; 
    }
  }