h5-colexiu/src/components/the-qrcode/index.module.less

.qrcode {
  position: relative;

  .qrcodeCanvas {
    width: 100% !important;
    height: 100% !important;
  }

  .qrcodeLogo {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -20px;
    margin-top: -20px;
    width: 40px !important;
    height: 40px !important;
    border-radius: 4px;

    &.small {
      margin-left: -10px;
      margin-top: -10px;
      width: 20px !important;
      height: 20px !important;
    }
  }
}