react-app-shell/activity/src/views/component/share-modal/style.less

react打包脚本和example, 这里的版本请忽略

.share-container{
    position: fixed;
    width: 100%;
    height: 100%;
    top:0;
    left: 0;
    opacity: 0.6;
    background-color: #000000;
    z-index: 99;
    img{
        position: absolute;
        top:0;
        right: 0;
        width: 500px;
    }
}