The Dark Art Of Centering A Div

深色界面截图上方写着“*centering a div has been a major problem for years”，下方绿色“<> Code”按钮被红圈圈出，讽刺网页开发中居中布局的老大难问题，适合表达程序员吐槽、无奈或嘲讽。