CSS Pseudo-classes & Pseudo-elements - Concepts
Explore the key concepts of css pseudo-classes & pseudo-elements with practical examples and exercises.
45 min•By Priygop Team•Last updated: Feb 2026
Introduction to CSS Pseudo-classes & Pseudo-elements
In this section, we cover the fundamental aspects of css pseudo-classes & pseudo-elements. You'll learn core concepts, see real-world examples, and understand how to apply them in your projects.
Key Concepts
- Understanding the core principles of css pseudo-classes & pseudo-elements
- Practical applications and real-world use cases
- Step-by-step implementation guides
- Common patterns and best practices
- Tips for debugging and troubleshooting
- Performance optimization techniques
CSS Pseudo-classes & Pseudo-elements - Code Example
Example
<style>
a:hover { color: red; }
a:visited { color: purple; }
input:focus { outline: 2px solid #667eea; }
li:nth-child(odd) { background: #f0f0f0; }
li:first-child { font-weight: bold; }
p:not(.special) { color: gray; }
/* Pseudo-elements */
.quote::before { content: "\201C"; font-size: 2em; color: #667eea; }
.quote::after { content: "\201D"; font-size: 2em; color: #667eea; }
h2::after { content: ""; display: block; width: 50px; height: 3px; background: #667eea; margin-top: 5px; }
</style>Try It Yourself: CSS Pseudo-classes & Pseudo-elements
Try It Yourself: CSS Pseudo-classes & Pseudo-elementsCSS
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