CSS 按钮：交互样式
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About This Exercise
在这个实验中，你将学习如何创建 现代化按钮样式。
按钮是用户交互的核心元素，好的按钮设计能显著提升用户体验。
你将学到：
- 基础按钮样式（padding、border-radius）
- 悬停和点击状态（:hover、:active）
- 禁用状态（:disabled）
- 过渡动画（transition）
Beginner⏱ 15-20 min
Learning Objectives
- 掌握按钮的基础样式属性
- 学会设计按钮的各种状态
- 理解过渡动画的使用
- 创建一致的按钮系统
Scenario
你正在为一个 UI 组件库设计按钮组件。
需要创建以下按钮类型：
- 主要按钮（蓝色背景）
- 次要按钮（边框样式）
- 所有按钮都需要悬停和禁用状态
Why Do This
- CSS is fundamentally about constraining layout and visual hierarchy, not memorizing properties.
- Clarify the box model and layout rules first, then add visual polish — less rework that way.
- Writing styles as reusable patterns is more valuable than tweaking a single page.
Hands-on Practice
- Write the layout skeleton first (display/gap/align), then add colors and shadows.
- Extract repeated styles into reusable classes.
- Use validation rules to reverse-engineer the design intent of your current styles.
Common Mistakes
- Adding margin after margin to fix positioning while ignoring layout containers.
- Selectors nested too deep, causing style coupling.
- Only caring about how it looks without considering maintainability.
Deliverable
A reusable component style template (layout rules + visual rules + naming conventions).
My Progress
Completed Steps0 / 4
Total Attempts0
Best Score0%
Completion Criteria (Checkable)
Confirm before completing this Lab
Reflection Questions (Recommended)
What was your main layout decision? Why did you choose it?
What change did you make specifically for maintainability?
What would you prioritize improving next time?
Tags
CSSButtonsHoverStates