4495ae0e28
- Created multiple exercises under the CSS layout section, including: - Final page layout with CSS styles and HTML structure. - Display and flow concepts with examples of block, inline, and none display types. - Selectors and pseudo-classes with practical examples. - Overflow and sizing handling in CSS. - Grid layout basics for two-dimensional layouts. - Fixed and sticky positioning examples. - Centering techniques for common layout scenarios. - Added README files for each exercise to outline objectives and file structures. - Updated main README to include new sections and usage instructions.
练习 3：Flex 布局
目标
学会用 Flex 做横向排列、间距和居中。
你要练什么
display: flexjustify-contentalign-itemsgapflex: 1
任务
请完成一个三列学习面板，要求：
- 3 个卡片横向排列
- 卡片之间有统一间距
- 每个卡片宽度尽量均分
- 标题和按钮排版清晰
- 整个区域居中显示
文件
- [starter.html](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/03-flex-layout/starter.html)
- [starter.css](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/03-flex-layout/starter.css)
- [answer.html](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/03-flex-layout/answer.html)
- [answer.css](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/03-flex-layout/answer.css)