
      :host ::ng-deep .ant-back-top {
        bottom: 100px;
      }

      :host ::ng-deep .ant-back-top-inner {
        height: 40px;
        width: 40px;
        line-height: 40px;
        border-radius: 4px;
        background-color: #1088e9;
        color: #fff;
        text-align: center;
        font-size: 20px;
      }

      :host ::ng-deep strong {
        color: #1088e9;
      }
    