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front-end-example/02-css-layout/07-selectors-and-pseudo-classes/README.md
chali 4495ae0e28 feat: Add CSS layout exercises and corresponding HTML files 
- 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.
2026-03-09 14:16:22 +08:00

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练习 7：组合选择器与伪类

目标

补齐后代选择器、子代选择器、:hover、:first-child。

文件

  • [starter.html](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/07-selectors-and-pseudo-classes/starter.html)
  • [starter.css](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/07-selectors-and-pseudo-classes/starter.css)
  • [answer.html](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/07-selectors-and-pseudo-classes/answer.html)
  • [answer.css](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/07-selectors-and-pseudo-classes/answer.css)