Day08 结构伪类_图形_字体_字体图标_元素定位结构伪类 last-child结构伪类 last-childDocs:last-child - CSS：层叠样式表 | MDN (mozilla.org)Selectors Level 4 (w3c.github.io):last-child，等同于 :nth-last-child(1):last-child CSS 伪类代表一组兄弟元素中的最后元素。 Loading Github Gist ... DetailsSee the Pen by jaimezeng (@jaimezeng) on CodePen.