="stylesheet" type="text/css" />
  <style>
    #main {
      margin-left: 10px;
      margin-right: 10px;
    }
    #main, .el-alert {
      min-height: 200px;
    }
    .el-alert__icon {
        font-size: 22px;
        width: 22px;
    }
    .el-alert__title {
      font-size: 20px;
      line-height: 50px;
    }
    .el-upload, .el-upload-dragger {
        width: 150px;
    }
    .upload-file {
      width: 360px
    }
    .upload-file .el-upload, .upload-file .el-upload-dragger {
        width: 100%;
  