CSS编程基础 Web pages are often designed to accommodate [different device、different screen] so that to decide how to display and even what t 网页设计应考虑不同用户和设备,以确保良好的用户体验。CSS(层叠样式表)将内容与展示分离,便于快速加载和维护,支持多种显示设备和用户需求。 CSS 内容与展示 用户体验 网页设计 设备支持