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
commit 4495ae0e28
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--- a/01-html-structure/06-block-and-inline/answer.html
+++ b/01-html-structure/06-block-and-inline/answer.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>块级与行内元素</title>
+  </head>
+  <body>
+    <h1>块级与行内元素练习</h1>
+
+    <div>
+      <p>先保证 <strong>结构</strong> 正确，再考虑样式。</p>
+    </div>
+
+    <div>
+      <p>页面区域通常由 <span>块级元素</span> 负责搭建。</p>
+    </div>
+
+    <div>
+      <p>一句话中的局部强调，通常用 <strong>行内元素</strong> 处理。</p>
+    </div>
+
+    <p><a href="#">查看完整学习文档</a></p>
+  </body>
+</html>