Fix formatting typo in user_guide/style.ipynb (#44264)
Fix formatting typo in user_guide/style.ipynb (#44264)


jorisvandenbossche/pandas,jorisvandenbossche/pandas,pandas-dev/pandas,datapythonista/pandas,jorisvandenbossche/pandas,datapythonista/pandas,datapythonista/pandas,datapythonista/pandas,pandas-dev/pandas,pandas-dev/pandas,jorisvandenbossche/pandas,pandas-dev/pandas