div[role=columnheader]{visibility:hidden;position:relative}div[role=columnheader]:after{visibility:visible;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}div[role=columnheader]:nth-last-child(7):after{content:"Вс"}div[role=columnheader]:nth-last-child(6):after{content:"Пн"}div[role=columnheader]:nth-last-child(5):after{content:"Вт"}div[role=columnheader]:nth-last-child(4):after{content:"Ср"}div[role=columnheader]:nth-last-child(3):after{content:"Чт"}div[role=columnheader]:nth-last-child(2):after{content:"Пт"}div[role=columnheader]:last-child:after{content:"Сб"}