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.
This commit is contained in:
chali
2026-03-09 14:16:22 +08:00
commit 4495ae0e28
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>前端训练营报名页</title>
</head>
<body>
<h1>前端训练营报名页</h1>
<h2>课程安排</h2>
<table>
<thead>
<tr>
<th>周次</th>
<th>主题</th>
<th>目标</th>
</tr>
</thead>
<tbody>
<tr>
<td>第 1 周</td>
<td>HTML 结构</td>
<td>掌握页面骨架与常用标签</td>
</tr>
<tr>
<td>第 2 周</td>
<td>CSS 布局</td>
<td>掌握盒模型和 Flex</td>
</tr>
<tr>
<td>第 3 周</td>
<td>JavaScript 基础</td>
<td>掌握变量、函数和对象</td>
</tr>
</tbody>
</table>
<h2>报名表单</h2>
<form>
<div>
<label for="name">姓名</label>
<input id="name" name="name" type="text" placeholder="请输入姓名" />
</div>
<div>
<label for="email">邮箱</label>
<input id="email" name="email" type="email" placeholder="请输入邮箱" />
</div>
<div>
<label for="goal">学习目标</label>
<textarea id="goal" name="goal" rows="4" cols="30" placeholder="写下你的学习目标"></textarea>
</div>
<button type="submit">提交报名</button>
</form>
</body>
</html>