如何用纯样式实现CSS的n%3颜色交替效果?-灵析社区
爬虫爬呀爬p { font-weight: bold; } li:nth-child(3n) { border: 2px solid orange; margin-bottom: 1px; } Track & field champions: Adhemar da Silva Wang Junxia Wilma Rudolph Babe Didrikson-Zaharias Betty Cuthbert Fanny Blankers-Koen Florence Griffith-Joyner Irena Szewinska Jackie Joyner-Kersee Shirley Strickland Carl Lewis Emil Zatopek Haile Gebrselassie Jesse Owens Jim Thorpe Paavo Nurmi Sergei Bubka Usain Bolt  > [https://developer.mozilla.org/zh-CN/docs/Web/CSS/:nth-> child](https://link.segmentfault.com/?enc=Bqr2q2rXsatjdm3SlqKAAQ%3D%3D.%2BnAdteY5yYzer0WtbBtJq29jNhjzF9xYyeuQCzU%2BXiEAC00NKdGqFBzQL893qsaVmqxOnp1H1%2FNcn7l%2Ff6MWQQ%3D%3D)