.center {
      display: flex;
      justify-content: center;
      margin: 0 auto;
      width: 300px;
      flex-direction: column;
  }

  .flex {
      display: flex;

  }

  .m-r-10 {
      margin-right: 10px;
  }

  .m-b-10 {
      margin-bottom: 10px;
  }
  .font-weight{
    font-weight: bold;
  }
  .author_tag {
      width: 300px;
      display: flex;

      flex-wrap: wrap;
  }

  .author_tag .author {
      margin-bottom: 10px;
      margin-right: 10px;
      max-width: 300px;
      display: flex;
      justify-content: center;

  }

  .author_list {
      cursor: pointer;
      color: #409eff;
      text-decoration: underline;
      margin: 10px 0;
  }

  .el-button+.el-button {
      margin: 0;
  }

  .tips {
      color: red;
      font-size: 14px;
  }

  .infinite-list {

      flex: 1;
  }