css (cascading style sheets) is used to control the look and feel of web pages. one of the most powerful features of css is selectors, which allow you to target specific elements on a web page to...
css选择器用于精确定位html元素并应用样式,包括类型、类、id、通用、属性、后代、子、相邻兄弟、一般兄弟、伪类和伪元素选择器。掌握这些选择器有助于创建复杂设计,提高样式效率和可维护性。