react-app-shell/activity/src/views/lottery/components/shareLayer/index.less

react打包脚本和example, 这里的版本请忽略

.layer{
  position: fixed;
  width: 100%;
  height: 100%;
  top:0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 99;
  img{
      width: 687px;
      height: 325px;
      position: absolute;
      top:0;
      right: 32px;
  }
}