how to select two nth children in css
i have a container that contains 6 children, i want to select the 3rd and 4th children .


2*cols - [0..cols-1], you set the style2*3n - [0..2] -> [6n, 6n - 1, 6n - 2], which selects the 6th, 5th and 4th elements, and then the 12th, 11th and 10th, and then the 18th, 17th and 16th ...

:nth-row() / :nth-column():nth-child(n of .selector)2*cols - [0..cols-1]2*3n - [0..2][6n, 6n - 1, 6n - 2]:nth-row():nth-column():nth-child(n of .selector):nth-child(n+3):nth-child(-n+4){
}