Stylus CSS ✨
The expressive, dynamic, and robust CSS preprocessor with the most flexible syntax.
What is Stylus CSS?
Stylus is a revolutionary CSS preprocessor that provides expressive, dynamic, and robust CSS with a highly flexible syntax. It's built on Node.js and offers the most flexible syntax among all CSS preprocessors, allowing you to write CSS with or without braces, semicolons, and colons.
✨ Flexible Syntax
Write with or without braces, semicolons, colons
⚡ JavaScript Powered
Full Node.js integration and compatibility
🔧 Powerful Mixins
Advanced mixin capabilities with arguments
Stylus CSS Introduction
Why Choose Stylus?
- Flexible Syntax: Write CSS your way - with or without braces
- JavaScript Integration: Perfect for Node.js projects
- Powerful Mixins: Advanced mixin capabilities
- Clean Output: Produces optimized, clean CSS
- Extensible: Easy to create plugins and extensions
Stylus Introduction & Basics
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Stylus CSS - Expressive, Dynamic, Robust CSS Preprocessor</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Inter', sans-serif;
line-height: 1.6;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
padding: 2rem;
color: #2c3e50;
}
.container {
max-width: 1200px;
margin: 0 auto;
}
.header {
text-align: center;
margin-bottom: 3rem;
color: white;
}
.header h1 {
font-size: 3rem;
margin-bottom: 1rem;
text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.comparison-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 2rem;
margin-bottom: 3rem;
}
.code-panel {
background: white;
border-radius: 10px;
padding: 1.5rem;
box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.code-panel h3 {
color: #2c3e50;
margin-bottom: 1rem;
padding-bottom: 0.5rem;
border-bottom: 2px solid #3498db;
}
.stylus-code, .css-code {
background: #2c3e50;
color: #ecf0f1;
padding: 1rem;
border-radius: 5px;
font-family: 'Fira Code', monospace;
font-size: 0.9rem;
line-height: 1.4;
overflow-x: auto;
}
.comment { color: #7f8c8d; }
.variable { color: #f39c12; }
.property { color: #3498db; }
.value { color: #2ecc71; }
.selector { color: #9b59b6; }
.demo-area {
background: white;
border-radius: 15px;
padding: 2rem;
margin: 2rem 0;
box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.feature-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 1rem;
margin: 1rem 0;
}
.feature-card {
background: #f8f9fa;
padding: 1.5rem;
border-radius: 8px;
text-align: center;
border-left: 4px solid #3498db;
}
.feature-icon {
font-size: 2rem;
margin-bottom: 0.5rem;
}
.card {
background: white;
border-radius: 10px;
padding: 2rem;
margin: 1rem 0;
box-shadow: 0 4px 8px rgba(0,0,0,0.1);
border-left: 4px solid #3498db;
}
.btn {
display: inline-block;
padding: 1rem 2rem;
margin: 0.5rem;
border: none;
border-radius: 5px;
font-size: 1rem;
cursor: pointer;
transition: all 0.3s ease;
}
.btn-primary {
background: #3498db;
color: white;
}
.btn-primary:hover {
background: #2980b9;
transform: translateY(-2px);
}
@media (max-width: 768px) {
.comparison-grid {
grid-template-columns: 1fr;
}
.header h1 {
font-size: 2rem;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>🎨 Stylus CSS</h1>
<p>Expressive, dynamic, robust CSS preprocessor</p>
</div>
<div class="comparison-grid">
<div class="code-panel">
<h3>🚀 What is Stylus?</h3>
<div class="stylus-code">
<span class="comment">// Stylus is an expressive, dynamic CSS preprocessor</span><br>
<span class="comment">// It offers the most flexible syntax among preprocessors</span><br><br>
<span class="comment">// Key Features:</span><br>
<span class="comment">// • Optional syntax (no braces, semicolons, colons)</span><br>
<span class="comment">// • Powerful mixins and functions</span><br>
<span class="comment">// • Advanced variable handling</span><br>
<span class="comment">// • Built-in functions and operations</span><br>
<span class="comment">// • JavaScript integration</span><br><br>
<span class="comment">// Example: Flexible Stylus syntax</span><br>
<span class="variable">primary-color</span> = <span class="value">#3498db</span><br>
<span class="variable">padding</span> = <span class="value">1rem</span><br><br>
<span class="comment">// With braces (familiar)</span><br>
<span class="selector">.button</span> {<br>
<span class="property">background</span>: <span class="variable">primary-color</span><br>
<span class="property">padding</span>: <span class="variable">padding</span><br>
<span class="property">border-radius</span>: <span class="value">4px</span><br>
<span class="property">color</span>: <span class="value">white</span><br><br>
<span class="selector">&:hover</span> {<br>
<span class="property">background</span>: <span class="value">darken(primary-color, 10%)</span><br>
}<br>
}<br><br>
<span class="comment">// Without braces (clean)</span><br>
<span class="selector">.button</span><br>
<span class="property">background</span>: <span class="variable">primary-color</span><br>
<span class="property">padding</span>: <span class="variable">padding</span><br>
<span class="property">border-radius</span>: <span class="value">4px</span><br>
<span class="property">color</span>: <span class="value">white</span><br><br>
<span class="selector">&:hover</span><br>
<span class="property">background</span>: <span class="value">darken(primary-color, 10%)</span>
</div>
</div>
<div class="code-panel">
<h3>📄 Compiled CSS</h3>
<div class="css-code">
<span class="comment">/* Clean, standard CSS output */</span><br><br>
<span class="selector">.button</span> {<br>
<span class="property">background</span>: <span class="value">#3498db</span>;<br>
<span class="property">padding</span>: <span class="value">1rem</span>;<br>
<span class="property">border-radius</span>: <span class="value">4px</span>;<br>
<span class="property">color</span>: <span class="value">white</span>;<br>
}<br><br>
<span class="selector">.button:hover</span> {<br>
<span class="property">background</span>: <span class="value">#2980b9</span>;<br>
}
</div>
</div>
</div>
<div class="comparison-grid">
<div class="code-panel">
<h3>🎯 Why Choose Stylus?</h3>
<div class="feature-grid">
<div class="feature-card">
<div class="feature-icon">✨</div>
<h5>Flexible Syntax</h5>
<p>Write with or without braces, semicolons, colons</p>
</div>
<div class="feature-card">
<div class="feature-icon">🔧</div>
<h5>JavaScript Powered</h5>
<p>Runs on Node.js with full JS integration</p>
</div>
<div class="feature-card">
<div class="feature-icon">⚡</div>
<h5>Powerful Mixins</h5>
<p>Advanced mixin capabilities</p>
</div>
<div class="feature-card">
<div class="feature-icon">🎨</div>
<h5>Expressive</h5>
<p>Clean, readable, and maintainable code</p>
</div>
</div>
</div>
<div class="code-panel">
<h3>🔧 Getting Started</h3>
<div class="stylus-code">
<span class="comment">// Installation via npm</span><br>
<span class="property">npm install</span> -g <span class="value">stylus</span><br><br>
<span class="comment">// Compile Stylus to CSS</span><br>
<span class="property">stylus</span> <span class="value">styles.styl styles.css</span><br><br>
<span class="comment">// Watch for changes</span><br>
<span class="property">stylus</span> -w <span class="value">styles.styl -o styles.css</span><br><br>
<span class="comment">// Compress output</span><br>
<span class="property">stylus</span> -c <span class="value">styles.styl -o styles.css</span><br><br>
<span class="comment">// Or use in Node.js</span><br>
<span class="property">const</span> stylus = <span class="value">require('stylus')</span>;<br><br>
<span class="property">stylus</span>(<span class="value">'body { color: blue }'</span>)<br>
.<span class="property">render</span>(<span class="property">function</span>(<span class="property">err</span>, <span class="property">css</span>) {<br>
<span class="property">console</span>.<span class="property">log</span>(<span class="property">css</span>);<br>
});
</div>
</div>
</div>
<div class="demo-area">
<h3>🚀 Live Demo - Stylus in Action</h3>
<h4>Flexible Syntax Examples</h4>
<div class="feature-grid">
<div class="feature-card">
<div class="feature-icon">🎯</div>
<h5>Traditional CSS</h5>
<p>Familiar syntax with braces</p>
<div style="background: #3498db; height: 20px; border-radius: 4px; margin-top: 0.5rem;"></div>
</div>
<div class="feature-card">
<div class="feature-icon">✨</div>
<h5>Clean Syntax</h5>
<p>No braces, semicolons</p>
<div style="padding: 1rem; background: #f8f9fa; border-radius: 4px; margin-top: 0.5rem;">
<div style="color: #3498db;">Clean code</div>
</div>
</div>
<div class="feature-card">
<div class="feature-icon">🔄</div>
<h5>Mixins</h5>
<p>Powerful reusable blocks</p>
<button style="background: #2ecc71; color: white; border: none; padding: 0.5rem 1rem; border-radius: 4px; margin-top: 0.5rem;">
Styled Button
</button>
</div>
<div class="feature-card">
<div class="feature-icon">🔢</div>
<h5>Operations</h5>
<p>Math calculations</p>
<div style="font-size: 1.25rem; color: #e74c3c; margin-top: 0.5rem;">20px text</div>
</div>
</div>
<h4>Stylus-Powered Components</h4>
<div style="display: flex; gap: 1rem; flex-wrap: wrap; margin: 1rem 0;">
<button class="btn btn-primary">Primary Button</button>
<button class="btn" style="background: #2ecc71; color: white;">Success Button</button>
<button class="btn" style="background: #e74c3c; color: white;">Danger Button</button>
</div>
<div style="background: #f8f9fa; padding: 2rem; border-radius: 8px; margin: 1rem 0;">
<h4>Card Component (Stylus Powered)</h4>
<p>This card demonstrates styles that could be generated with Stylus flexible syntax.</p>
</div>
</div>
<div class="card">
<h3>💡 Key Benefits of Stylus</h3>
<ul>
<li><strong>Flexible Syntax:</strong> Write CSS your way - with or without braces</li>
<li><strong>Powerful Mixins:</strong> Advanced mixin capabilities with arguments</li>
<li><strong>JavaScript Integration:</strong> Full Node.js compatibility</li>
<li><strong>Clean Output:</strong> Produces optimized, clean CSS</li>
<li><strong>Extensible:</strong> Easy to create plugins and extensions</li>
<li><strong>Active Community:</strong> Growing ecosystem and support</li>
</ul>
</div>
</div>
</body>
</html>Stylus vs Sass vs Less
Choose Stylus When
- You value flexible, clean syntax
- Working with Node.js projects
- Need advanced mixin capabilities
- Prefer JavaScript integration
- Want extensible preprocessor
Choose Sass When
- Enterprise projects
- Large teams
- Need extensive community support
- Design system development
- Industry standard adoption
Choose Less When
- Learning CSS preprocessors
- Small to medium projects
- Need browser compilation
- Gentle learning curve needed
- Quick prototyping
Preprocessor Comparison
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Stylus vs Sass vs Less - Preprocessor Comparison</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Inter', sans-serif;
line-height: 1.6;
background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
min-height: 100vh;
padding: 2rem;
color: #2c3e50;
}
.container {
max-width: 1200px;
margin: 0 auto;
}
.header {
text-align: center;
margin-bottom: 3rem;
color: white;
}
.header h1 {
font-size: 3rem;
margin-bottom: 1rem;
text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.feature-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
gap: 2rem;
margin-bottom: 3rem;
}
.feature-card {
background: white;
border-radius: 15px;
padding: 2rem;
box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.code-comparison {
display: grid;
grid-template-columns: 1fr 1fr 1fr;
gap: 1rem;
margin: 1rem 0;
}
.stylus-code, .sass-code, .less-code, .css-code {
background: #2c3e50;
color: #ecf0f1;
padding: 1rem;
border-radius: 5px;
font-family: 'Fira Code', monospace;
font-size: 0.7rem;
line-height: 1.4;
overflow-x: auto;
}
.comment { color: #7f8c8d; }
.variable { color: #f39c12; }
.property { color: #3498db; }
.value { color: #2ecc71; }
.selector { color: #9b59b6; }
.comparison-table {
width: 100%;
border-collapse: collapse;
margin: 1rem 0;
background: white;
border-radius: 8px;
overflow: hidden;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.comparison-table th,
.comparison-table td {
padding: 1rem;
text-align: left;
border-bottom: 1px solid #ecf0f1;
}
.comparison-table th {
background: #3498db;
color: white;
font-weight: 600;
}
.comparison-table tr:hover {
background: #f8f9fa;
}
.pros-cons {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 1rem;
margin: 1rem 0;
}
.pros {
background: #d4edda;
padding: 1rem;
border-radius: 5px;
border-left: 4px solid #28a745;
}
.cons {
background: #f8d7da;
padding: 1rem;
border-radius: 5px;
border-left: 4px solid #dc3545;
}
.demo-section {
background: #f8f9fa;
padding: 2rem;
border-radius: 10px;
margin: 2rem 0;
}
@media (max-width: 768px) {
.feature-grid {
grid-template-columns: 1fr;
}
.code-comparison {
grid-template-columns: 1fr;
}
.pros-cons {
grid-template-columns: 1fr;
}
.header h1 {
font-size: 2rem;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>⚖️ Stylus vs Sass vs Less</h1>
<p>Choosing the Right CSS Preprocessor for Your Project</p>
</div>
<!-- Syntax Comparison -->
<div class="feature-card">
<h3>📝 Syntax Comparison</h3>
<div class="code-comparison">
<div class="stylus-code">
<span class="comment">// Stylus Syntax (Flexible)</span><br>
<span class="variable">primary-color</span> = <span class="value">#3498db</span><br>
<span class="variable">padding</span> = <span class="value">1rem</span><br><br>
<span class="comment">// With braces</span><br>
<span class="selector">.button</span> {<br>
<span class="property">background</span>: <span class="variable">primary-color</span><br>
<span class="property">padding</span>: <span class="variable">padding</span><br>
<span class="property">border-radius</span>: <span class="value">4px</span><br><br>
<span class="selector">&:hover</span> {<br>
<span class="property">background</span>: <span class="value">darken(primary-color, 10%)</span><br>
}<br>
}<br><br>
<span class="comment">// Without braces</span><br>
<span class="selector">.button</span><br>
<span class="property">background</span>: <span class="variable">primary-color</span><br>
<span class="property">padding</span>: <span class="variable">padding</span><br>
<span class="property">border-radius</span>: <span class="value">4px</span><br><br>
<span class="selector">&:hover</span><br>
<span class="property">background</span>: <span class="value">darken(primary-color, 10%)</span>
</div>
<div class="sass-code">
<span class="comment">// Sass/SCSS Syntax</span><br>
<span class="variable">$primary-color</span>: <span class="value">#3498db</span>;<br>
<span class="variable">$padding</span>: <span class="value">1rem</span>;<br><br>
<span class="selector">.button</span> {<br>
<span class="property">background</span>: <span class="variable">$primary-color</span>;<br>
<span class="property">padding</span>: <span class="variable">$padding</span>;<br>
<span class="property">border-radius</span>: <span class="value">4px</span>;<br><br>
<span class="selector">&:hover</span> {<br>
<span class="property">background</span>: <span class="value">darken(</span><span class="variable">$primary-color</span>, <span class="value">10%</span><span class="value">)</span>;<br>
}<br>
}<br><br>
<span class="comment">// Mixin in Sass</span><br>
<span class="keyword">@mixin</span> <span class="selector">border-radius</span>(<span class="variable">$radius</span>) {<br>
<span class="property">border-radius</span>: <span class="variable">$radius</span>;<br>
}<br><br>
<span class="selector">.card</span> {<br>
<span class="keyword">@include</span> <span class="selector">border-radius</span>(<span class="value">8px</span>);<br>
}
</div>
<div class="less-code">
<span class="comment">// Less Syntax</span><br>
<span class="variable">@primary-color</span>: <span class="value">#3498db</span>;<br>
<span class="variable">@padding</span>: <span class="value">1rem</span>;<br><br>
<span class="selector">.button</span> {<br>
<span class="property">background</span>: <span class="variable">@primary-color</span>;<br>
<span class="property">padding</span>: <span class="variable">@padding</span>;<br>
<span class="property">border-radius</span>: <span class="value">4px</span>;<br><br>
<span class="selector">&:hover</span> {<br>
<span class="property">background</span>: <span class="value">darken(</span><span class="variable">@primary-color</span>, <span class="value">10%</span><span class="value">)</span>;<br>
}<br>
}<br><br>
<span class="comment">// Mixin in Less</span><br>
<span class="selector">.border-radius</span>(<span class="variable">@radius</span>) {<br>
<span class="property">border-radius</span>: <span class="variable">@radius</span>;<br>
}<br><br>
<span class="selector">.card</span> {<br>
<span class="selector">.border-radius</span>(<span class="value">8px</span>);<br>
}
</div>
</div>
</div>
<!-- Feature Comparison -->
<div class="feature-card">
<h3>🎯 Feature Comparison</h3>
<table class="comparison-table">
<thead>
<tr>
<th>Feature</th>
<th>Stylus</th>
<th>Sass</th>
<th>Less</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Flexible Syntax</strong></td>
<td>✅✅ Excellent</td>
<td>🟡 Limited</td>
<td>🟡 Limited</td>
</tr>
<tr>
<td><strong>Variables</strong></td>
<td>✅✅ Advanced</td>
<td>✅ Good</td>
<td>✅ Good</td>
</tr>
<tr>
<td><strong>Mixins</strong></td>
<td>✅✅ Powerful</td>
<td>✅✅ Powerful</td>
<td>✅ Basic</td>
</tr>
<tr>
<td><strong>Functions</strong></td>
<td>✅✅ Extensive</td>
<td>✅✅ Extensive</td>
<td>✅ Basic</td>
</tr>
<tr>
<td><strong>JavaScript Integration</strong></td>
<td>✅✅ Excellent</td>
<td>🟡 Limited</td>
<td>✅ Good</td>
</tr>
<tr>
<td><strong>Performance</strong></td>
<td>✅ Fast</td>
<td>✅ Fast</td>
<td>✅ Fast</td>
</tr>
<tr>
<td><strong>Community</strong></td>
<td>🟡 Growing</td>
<td>✅✅ Large</td>
<td>✅ Large</td>
</tr>
<tr>
<td><strong>Learning Curve</strong></td>
<td>🟡 Moderate</td>
<td>🟡 Moderate</td>
<td>✅ Gentle</td>
</tr>
</tbody>
</table>
</div>
<!-- Pros and Cons -->
<div class="feature-card">
<h3>⚖️ Pros and Cons</h3>
<div class="pros-cons">
<div>
<h4>Stylus Advantages</h4>
<div class="pros">
<ul>
<li><strong>Flexible Syntax:</strong> Write with or without braces</li>
<li><strong>JavaScript Integration:</strong> Full Node.js compatibility</li>
<li><strong>Powerful Mixins:</strong> Advanced mixin capabilities</li>
<li><strong>Clean Output:</strong> Optimized CSS generation</li>
<li><strong>Extensible:</strong> Easy plugin creation</li>
</ul>
</div>
</div>
<div>
<h4>Stylus Limitations</h4>
<div class="cons">
<ul>
<li><strong>Smaller Community:</strong> Fewer resources than Sass</li>
<li><strong>Learning Curve:</strong> Flexible syntax can be confusing</li>
<li><strong>Tooling:</strong> Less IDE support</li>
<li><strong>Adoption:</strong> Less widely used in enterprise</li>
</ul>
</div>
</div>
</div>
</div>
<div class="demo-section">
<h3>🎯 When to Choose Stylus?</h3>
<div class="code-comparison">
<div class="stylus-code">
<span class="comment">// Choose Stylus when:</span><br>
<span class="comment">// • You value flexible, clean syntax</span><br>
<span class="comment">// • Working with Node.js projects</span><br>
<span class="comment">// • Need advanced mixin capabilities</span><br>
<span class="comment">// • Prefer JavaScript integration</span><br>
<span class="comment">// • Want extensible preprocessor</span><br><br>
<span class="comment">// Perfect for:</span><br>
<span class="comment">// • Node.js applications</span><br>
<span class="comment">// • Developers who prefer clean syntax</span><br>
<span class="comment">// • Projects needing custom functions</span><br>
<span class="comment">// • Teams comfortable with JavaScript</span>
</div>
<div class="sass-code">
<span class="comment">// Choose Sass when:</span><br>
<span class="comment">// • Enterprise projects</span><br>
<span class="comment">// • Large teams</span><br>
<span class="comment">// • Need extensive community support</span><br>
<span class="comment">// • Design system development</span><br>
<span class="comment">// • Industry standard adoption</span><br><br>
<span class="comment">// Perfect for:</span><br>
<span class="comment">// • Large applications</span><br>
<span class="comment">// • Teams with Sass experience</span><br>
<span class="comment">// • Projects needing extensive tooling</span>
</div>
<div class="less-code">
<span class="comment">// Choose Less when:</span><br>
<span class="comment">// • Learning CSS preprocessors</span><br>
<span class="comment">// • Small to medium projects</span><br>
<span class="comment">// • Need browser compilation</span><br>
<span class="comment">// • Gentle learning curve needed</span><br>
<span class="comment">// • Quick prototyping</span><br><br>
<span class="comment">// Perfect for:</span><br>
<span class="comment">// • Beginners</span><br>
<span class="comment">// • Small projects</span><br>
<span class="comment">// • Rapid development</span>
</div>
</div>
</div>
</div>
</body>
</html>Stylus Core Features
Powerful Feature Set
Stylus provides advanced features with the most flexible syntax among CSS preprocessors, making it perfect for developers who value clean, expressive code.
// Variables: primary-color = #3498db
// Nesting: .parent .child color blue
// Mixins: border-radius(radius) border-radius radius
// Operations: width: 100% / 3
Stylus Features Deep Dive
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Stylus Features - Advanced Capabilities & Syntax</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Inter', sans-serif;
line-height: 1.6;
background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
min-height: 100vh;
padding: 2rem;
color: #2c3e50;
}
.container {
max-width: 1200px;
margin: 0 auto;
}
.header {
text-align: center;
margin-bottom: 3rem;
}
.header h1 {
font-size: 3rem;
margin-bottom: 1rem;
color: #2c3e50;
}
.practices-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
gap: 2rem;
margin-bottom: 3rem;
}
.practice-card {
background: white;
border-radius: 15px;
padding: 2rem;
box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.feature-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 1rem;
margin: 1rem 0;
}
.feature-card {
background: #f8f9fa;
padding: 1.5rem;
border-radius: 8px;
text-align: center;
border-left: 4px solid #3498db;
}
.feature-icon {
font-size: 2rem;
margin-bottom: 0.5rem;
}
.stylus-code, .css-code {
background: #2c3e50;
color: #ecf0f1;
padding: 1rem;
border-radius: 5px;
font-family: 'Fira Code', monospace;
font-size: 0.8rem;
line-height: 1.4;
overflow-x: auto;
margin: 1rem 0;
}
.comment { color: #7f8c8d; }
.variable { color: #f39c12; }
.property { color: #3498db; }
.value { color: #2ecc71; }
.selector { color: #9b59b6; }
.workflow-steps {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 1rem;
margin: 2rem 0;
}
.step {
background: white;
padding: 1.5rem;
border-radius: 10px;
text-align: center;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.step-number {
background: #3498db;
color: white;
width: 40px;
height: 40px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
margin: 0 auto 1rem;
font-weight: bold;
}
.demo-section {
background: #f8f9fa;
padding: 2rem;
border-radius: 10px;
margin: 2rem 0;
}
@media (max-width: 768px) {
.practices-grid {
grid-template-columns: 1fr;
}
.header h1 {
font-size: 2rem;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>✨ Stylus Core Features</h1>
<p>Powerful capabilities with flexible syntax</p>
</div>
<div class="practices-grid">
<div class="practice-card">
<h3>🎨 Flexible Variables</h3>
<p>Advanced variable handling with multiple syntax options:</p>
<div class="stylus-code">
<span class="comment">// Variable assignment</span><br>
<span class="variable">primary-color</span> = <span class="value">#3498db</span><br>
<span class="variable">font-family</span> = <span class="value">"Inter", sans-serif</span><br>
<span class="variable">spacing-unit</span> = <span class="value">8px</span><br><br>
<span class="comment">// Property value variables</span><br>
<span class="variable">border-style</span> = <span class="value">solid</span><br>
<span class="variable">border-width</span> = <span class="value">2px</span><br><br>
<span class="comment">// Using variables</span><br>
<span class="selector">.button</span><br>
<span class="property">background</span>: <span class="variable">primary-color</span><br>
<span class="property">font-family</span>: <span class="variable">font-family</span><br>
<span class="property">padding</span>: <span class="variable">spacing-unit</span> <span class="variable">spacing-unit</span> * <span class="value">2</span><br><br>
<span class="selector">.card</span><br>
<span class="property">border</span>: <span class="variable">border-width</span> <span class="variable">border-style</span> <span class="variable">primary-color</span><br>
<span class="property">margin-bottom</span>: <span class="variable">spacing-unit</span> * <span class="value">2</span>
</div>
</div>
<div class="practice-card">
<h3>🔗 Flexible Nesting</h3>
<p>Clean, organized nesting with multiple syntax styles:</p>
<div class="stylus-code">
<span class="comment">// Nesting with indentation</span><br>
<span class="selector">.navigation</span><br>
<span class="property">background</span>: <span class="value">#2c3e50</span><br>
<span class="property">padding</span>: <span class="value">1rem</span><br><br>
<span class="selector">ul</span><br>
<span class="property">list-style</span>: <span class="value">none</span><br>
<span class="property">display</span>: <span class="value">flex</span><br>
<span class="property">gap</span>: <span class="value">1rem</span><br><br>
<span class="selector">li</span><br>
<span class="property">padding</span>: <span class="value">0.5rem 1rem</span><br><br>
<span class="selector">&:hover</span><br>
<span class="property">background</span>: <span class="value">#3498db</span><br><br>
<span class="selector">a</span><br>
<span class="property">color</span>: <span class="value">white</span><br>
<span class="property">text-decoration</span>: <span class="value">none</span><br><br>
<span class="selector">&:hover</span><br>
<span class="property">text-decoration</span>: <span class="value">underline</span>
</div>
</div>
<div class="practice-card">
<h3>🔄 Powerful Mixins</h3>
<p>Advanced mixins with arguments and default values:</p>
<div class="stylus-code">
<span class="comment">// Basic mixin</span><br>
<span class="selector">border-radius(radius = 4px)</span><br>
<span class="property">border-radius</span>: <span class="variable">radius</span><br><br>
<span class="comment">// Mixin with multiple parameters</span><br>
<span class="selector">box-shadow(x = 0, y = 2px, blur = 4px, color = rgba(0,0,0,0.1))</span><br>
<span class="property">box-shadow</span>: <span class="variable">x</span> <span class="variable">y</span> <span class="variable">blur</span> <span class="variable">color</span><br><br>
<span class="comment">// Complex mixin with logic</span><br>
<span class="selector">button-variant(color, darken-amount = 10%)</span><br>
<span class="property">background</span>: <span class="variable">color</span><br>
<span class="property">color</span>: <span class="value">white</span><br>
<span class="property">border</span>: <span class="value">none</span><br>
<span class="property">padding</span>: <span class="value">1rem 2rem</span><br><br>
<span class="selector">&:hover</span><br>
<span class="property">background</span>: <span class="value">darken(color, darken-amount)</span><br><br>
<span class="comment">// Using mixins</span><br>
<span class="selector">.card</span><br>
<span class="selector">border-radius(8px)</span><br>
<span class="selector">box-shadow(0, 4px, 8px, rgba(0,0,0,0.15))</span><br><br>
<span class="selector">.btn-primary</span><br>
<span class="selector">button-variant(#3498db)</span><br><br>
<span class="selector">.btn-danger</span><br>
<span class="selector">button-variant(#e74c3c, 15%)</span>
</div>
</div>
<div class="practice-card">
<h3>🔢 Operations & Functions</h3>
<p>Mathematical operations and built-in functions:</p>
<div class="stylus-code">
<span class="comment">// Mathematical operations</span><br>
<span class="variable">base-spacing</span> = <span class="value">8px</span><br>
<span class="variable">container-width</span> = <span class="value">1200px</span><br><br>
<span class="selector">.element</span><br>
<span class="property">padding</span>: <span class="variable">base-spacing</span> * <span class="value">2</span> <span class="comment">// 16px</span><br>
<span class="property">width</span>: <span class="variable">container-width</span> / <span class="value">2</span> <span class="comment">// 600px</span><br>
<span class="property">margin</span>: (<span class="value">100%</span> - <span class="value">80%</span>) / <span class="value">2</span> <span class="comment">// 10%</span><br><br>
<span class="comment">// Color functions</span><br>
<span class="variable">primary</span> = <span class="value">#3498db</span><br>
<span class="selector">.button</span><br>
<span class="property">background</span>: <span class="variable">primary</span><br>
<span class="property">border</span>: <span class="value">1px solid darken(primary, 10%)</span><br><br>
<span class="selector">&:hover</span><br>
<span class="property">background</span>: <span class="value">lighten(primary, 10%)</span><br><br>
<span class="comment">// Other useful functions</span><br>
<span class="property">opacity</span>: <span class="value">alpha(primary, 0.5)</span><br>
<span class="property">color</span>: <span class="value">contrast(primary)</span><br>
<span class="property">font-size</span>: <span class="value">unit(16 + 4, 'px')</span>
</div>
</div>
</div>
<div class="practice-card">
<h3>✨ Advanced Features</h3>
<div class="feature-grid">
<div class="feature-card">
<div class="feature-icon">📦</div>
<h4>Import & Organization</h4>
<p>Flexible file organization</p>
<div class="stylus-code" style="font-size: 0.7rem; margin-top: 0.5rem;">
@import 'variables'<br>
@import 'mixins'
</div>
</div>
<div class="feature-card">
<div class="feature-icon">🔄</div>
<h4>Conditionals</h4>
<p>If/else statements</p>
<div class="stylus-code" style="font-size: 0.7rem; margin-top: 0.5rem;">
if color == white<br>
color: black<br>
else<br>
color: white
</div>
</div>
<div class="feature-card">
<div class="feature-icon">🎯</div>
<h4>Iteration</h4>
<p>Loops and iteration</p>
<div class="stylus-code" style="font-size: 0.7rem; margin-top: 0.5rem;">
for i in 1..5<br>
.col-{i}<br>
width: 20% * i
</div>
</div>
<div class="feature-card">
<div class="feature-icon">🔧</div>
<h4>JavaScript Integration</h4>
<p>Use JS in Stylus</p>
<div class="stylus-code" style="font-size: 0.7rem; margin-top: 0.5rem;">
js-var = unquote(`var`)<br />
color: unquote(`color`)
</div>
</div>
</div>
</div>
<div class="practice-card">
<h3>🚀 Getting Started Workflow</h3>
<div class="workflow-steps">
<div class="step">
<div class="step-number">1</div>
<h4>Install Stylus</h4>
<p>Install via npm</p>
<div class="stylus-code" style="font-size: 0.7rem; margin-top: 0.5rem;">
npm install -g stylus
</div>
</div>
<div class="step">
<div class="step-number">2</div>
<h4>Create .styl Files</h4>
<p>Write Stylus code</p>
<div class="stylus-code" style="font-size: 0.7rem; margin-top: 0.5rem;">
styles.styl
</div>
</div>
<div class="step">
<div class="step-number">3</div>
<h4>Compile to CSS</h4>
<p>Convert to browser CSS</p>
<div class="stylus-code" style="font-size: 0.7rem; margin-top: 0.5rem;">
stylus styles.styl
</div>
</div>
<div class="step">
<div class="step-number">4</div>
<h4>Use in Projects</h4>
<p>Link compiled CSS</p>
<div class="stylus-code" style="font-size: 0.7rem; margin-top: 0.5rem;">
<link href="styles.css">
</div>
</div>
</div>
</div>
<div class="demo-section">
<h3>🎯 Real-World Example</h3>
<div class="stylus-code">
<span class="comment">// Complete component using Stylus features</span><br>
<span class="variable">primary-color</span> = <span class="value">#3498db</span><br>
<span class="variable">spacing</span> = <span class="value">1rem</span><br>
<span class="variable">border-radius</span> = <span class="value">4px</span><br><br>
<span class="selector">button-style(color, text-color = white)</span><br>
<span class="property">background</span>: <span class="variable">color</span><br>
<span class="property">color</span>: <span class="variable">text-color</span><br>
<span class="property">padding</span>: <span class="variable">spacing</span> <span class="variable">spacing</span> * <span class="value">2</span><br>
<span class="property">border</span>: <span class="value">none</span><br>
<span class="property">border-radius</span>: <span class="variable">border-radius</span><br>
<span class="property">cursor</span>: <span class="value">pointer</span><br>
<span class="property">transition</span>: <span class="value">all 0.3s ease</span><br><br>
<span class="selector">&:hover</span><br>
<span class="property">background</span>: <span class="value">darken(color, 10%)</span><br>
<span class="property">transform</span>: <span class="value">translateY(-2px)</span><br><br>
<span class="selector">.btn-primary</span><br>
<span class="selector">button-style(primary-color)</span><br><br>
<span class="selector">.btn-secondary</span><br>
<span class="selector">button-style(#95a5a6, #2c3e50)</span><br><br>
<span class="selector">.btn-success</span><br>
<span class="selector">button-style(#2ecc71)</span>
</div>
</div>
</div>
</body>
</html>Stylus Setup & Installation
⚡ Quick Setup
Get started in minutes with simple installation
🔧 Node.js Integration
Perfect for JavaScript and Node.js projects
🚀 Production Ready
Optimized for development and production
Complete Setup Guide
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Stylus Setup - Installation & Configuration Guide</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Inter', sans-serif;
line-height: 1.6;
background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
min-height: 100vh;
padding: 2rem;
color: #2c3e50;
}
.container {
max-width: 1200px;
margin: 0 auto;
}
.header {
text-align: center;
margin-bottom: 3rem;
}
.header h1 {
font-size: 3rem;
margin-bottom: 1rem;
color: #2c3e50;
}
.comparison-section {
background: white;
border-radius: 15px;
padding: 2rem;
margin-bottom: 2rem;
box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.comparison-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 2rem;
margin: 2rem 0;
}
.code-block {
background: #2c3e50;
color: #ecf0f1;
padding: 1.5rem;
border-radius: 10px;
font-family: 'Fira Code', monospace;
font-size: 0.9rem;
line-height: 1.4;
}
.comment { color: #7f8c8d; }
.property { color: #3498db; }
.value { color: #2ecc71; }
.selector { color: #9b59b6; }
.feature-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 2rem;
margin: 2rem 0;
}
.feature-card {
background: #e8f4fd;
padding: 2rem;
border-radius: 10px;
text-align: center;
}
.feature-icon {
font-size: 3rem;
margin-bottom: 1rem;
}
.decision-guide {
background: #d4edda;
border-left: 4px solid #28a745;
padding: 2rem;
border-radius: 10px;
margin: 2rem 0;
}
.setup-steps {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 2rem;
margin: 2rem 0;
}
.setup-step {
background: #f8f9fa;
padding: 1.5rem;
border-radius: 10px;
}
.demo-area {
background: #fff3cd;
padding: 2rem;
border-radius: 10px;
margin: 2rem 0;
}
@media (max-width: 768px) {
.comparison-grid {
grid-template-columns: 1fr;
}
.header h1 {
font-size: 2rem;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>⚙️ Stylus Setup Guide</h1>
<p>Installation, Configuration, and Development Setup</p>
</div>
<div class="comparison-section">
<h2>🚀 Installation Methods</h2>
<div class="comparison-grid">
<div class="code-block">
<span class="comment">// Method 1: Node.js (Recommended)</span><br>
<span class="property">npm install</span> -g <span class="value">stylus</span><br><br>
<span class="comment">// Verify installation</span><br>
<span class="property">stylus</span> --<span class="property">version</span><br><br>
<span class="comment">// Compile a file</span><br>
<span class="property">stylus</span> <span class="value">styles.styl</span><br><br>
<span class="comment">// Watch for changes</span><br>
<span class="property">stylus</span> -w <span class="value">styles.styl</span><br><br>
<span class="comment">// Compile to specific file</span><br>
<span class="property">stylus</span> <span class="value">styles.styl -o styles.css</span><br><br>
<span class="comment">// Compress output</span><br>
<span class="property">stylus</span> -c <span class="value">styles.styl -o styles.css</span>
</div>
<div class="code-block">
<span class="comment">// Method 2: npm project dependency</span><br>
<span class="property">npm install</span> <span class="value">stylus --save-dev</span><br><br>
<span class="comment">// package.json scripts</span><br>
{<br>
<span class="property">"scripts"</span>: {<br>
<span class="property">"build:css"</span>: <span class="value">"stylus styles.styl -o styles.css"</span>,<br>
<span class="property">"watch:css"</span>: <span class="value">"stylus -w styles.styl -o styles.css"</span>,<br>
<span class="property">"build:min"</span>: <span class="value">"stylus -c styles.styl -o styles.min.css"</span><br>
}<br>
}<br><br>
<span class="comment">// Method 3: Programmatic usage</span><br>
<span class="property">const</span> stylus = <span class="value">require('stylus')</span>;<br><br>
<span class="property">stylus</span>(<span class="value">'body { color: blue }'</span>)<br>
.<span class="property">render</span>(<span class="property">function</span>(<span class="property">err</span>, <span class="property">css</span>) {<br>
<span class="property">console</span>.<span class="property">log</span>(<span class="property">css</span>);<br>
});
</div>
</div>
</div>
<div class="comparison-section">
<h2>🎯 Development Setup</h2>
<div class="setup-steps">
<div class="setup-step">
<h4>Step 1: Project Structure</h4>
<div class="code-block" style="font-size: 0.8rem;">
project/<br>
├── src/<br>
│ ├── stylus/<br>
│ │ ├── variables.styl<br>
│ │ ├── mixins.styl<br>
│ │ ├── components/<br>
│ │ └── main.styl<br>
│ └── index.html<br>
├── dist/<br>
│ └── css/<br>
│ └── styles.css<br>
└── package.json
</div>
</div>
<div class="setup-step">
<h4>Step 2: Main Stylus File</h4>
<div class="code-block" style="font-size: 0.8rem;">
<span class="comment">// main.styl</span><br>
<span class="property">@import</span> <span class="value">'variables'</span><br>
<span class="property">@import</span> <span class="value">'mixins'</span><br>
<span class="property">@import</span> <span class="value">'components/buttons'</span><br>
<span class="property">@import</span> <span class="value">'components/cards'</span><br><br>
<span class="selector">body</span><br>
<span class="property">font-family</span>: <span class="variable">font-family</span><br>
<span class="property">background</span>: <span class="variable">background-color</span>
</div>
</div>
<div class="setup-step">
<h4>Step 3: Build Configuration</h4>
<div class="code-block" style="font-size: 0.8rem;">
<span class="comment">// package.json</span><br>
{<br>
<span class="property">"name"</span>: <span class="value">"my-project"</span>,<br>
<span class="property">"scripts"</span>: {<br>
<span class="property">"dev"</span>: <span class="value">"stylus -w src/stylus/main.styl -o dist/css/styles.css"</span>,<br>
<span class="property">"build"</span>: <span class="value">"stylus src/stylus/main.styl -o dist/css/styles.css"</span>,<br>
<span class="property">"build:min"</span>: <span class="value">"stylus -c src/stylus/main.styl -o dist/css/styles.min.css"</span><br>
},<br>
<span class="property">"devDependencies"</span>: {<br>
<span class="property">"stylus"</span>: <span class="value">"^0.58.0"</span><br>
}<br>
}
</div>
</div>
</div>
</div>
<div class="comparison-section">
<h2>🔧 Integration with Build Tools</h2>
<div class="comparison-grid">
<div class="code-block">
<span class="comment">// Webpack configuration</span><br>
<span class="property">module</span>.<span class="property">exports</span> = {<br>
<span class="property">module</span>: {<br>
<span class="property">rules</span>: [<br>
{<br>
<span class="property">test</span>: <span class="value">/\.styl$/</span>,<br>
<span class="property">use</span>: [<br>
<span class="value">'style-loader'</span>,<br>
<span class="value">'css-loader'</span>,<br>
<span class="value">'stylus-loader'</span><br>
]<br>
}<br>
]<br>
}<br>
};<br><br>
<span class="comment">// Install loaders</span><br>
<span class="property">npm install</span> <span class="value">stylus stylus-loader css-loader style-loader</span>
</div>
<div class="code-block">
<span class="comment">// Gulp configuration</span><br>
<span class="property">const</span> gulp = <span class="value">require('gulp')</span>;<br>
<span class="property">const</span> stylus = <span class="value">require('gulp-stylus')</span>;<br>
<span class="property">const</span> cleanCSS = <span class="value">require('gulp-clean-css')</span>;<br><br>
<span class="property">gulp</span>.<span class="property">task</span>(<span class="value">'stylus'</span>, () => {<br>
<span class="property">return</span> <span class="property">gulp</span>.<span class="property">src</span>(<span class="value">'src/stylus/**/*.styl'</span>)<br>
.<span class="property">pipe</span>(<span class="property">stylus</span>())<br>
.<span class="property">pipe</span>(<span class="property">cleanCSS</span>())<br>
.<span class="property">pipe</span>(<span class="property">gulp</span>.<span class="property">dest</span>(<span class="value">'dist/css'</span>));<br>
});<br><br>
<span class="property">gulp</span>.<span class="property">task</span>(<span class="value">'watch'</span>, () => {<br>
<span class="property">gulp</span>.<span class="property">watch</span>(<span class="value">'src/stylus/**/*.styl'</span>, <span class="property">gulp</span>.<span class="property">series</span>(<span class="value">'stylus'</span>));<br>
});
</div>
</div>
</div>
<div class="comparison-section">
<h2>🚀 Quick Start Templates</h2>
<div class="setup-steps">
<div class="setup-step">
<h4>Basic HTML Template</h4>
<div class="code-block" style="font-size: 0.8rem;">
<span class="comment"><!DOCTYPE html></span><br>
<span class="selector"><html</span> <span class="property">lang</span>=<span class="value">"en"</span>><br>
<span class="selector"><head></span><br>
<span class="selector"><meta</span> <span class="property">charset</span>=<span class="value">"UTF-8"</span>><br>
<span class="selector"><meta</span> <span class="property">name</span>=<span class="value">"viewport"</span> <span class="property">content</span>=<span class="value">"width=device-width, initial-scale=1.0"</span>><br>
<span class="selector"><title></span>Stylus Demo<span class="selector"></title></span><br>
<span class="selector"><link</span> <span class="property">rel</span>=<span class="value">"stylesheet"</span> <span class="property">href</span>=<span class="value">"styles.css"</span>><br>
<span class="selector"></head></span><br>
<span class="selector"><body></span><br>
<span class="selector"><button</span> <span class="property">class</span>=<span class="value">"btn-primary"</span>>Click Me<span class="selector"></button></span><br>
<span class="selector"></body></span><br>
<span class="selector"></html></span>
</div>
</div>
<div class="setup-step">
<h4>Basic Stylus Template</h4>
<div class="code-block" style="font-size: 0.8rem;">
<span class="comment">// variables.styl</span><br>
<span class="variable">primary-color</span> = <span class="value">#3498db</span><br>
<span class="variable">font-family</span> = <span class="value">'Inter', sans-serif</span><br>
<span class="variable">spacing</span> = <span class="value">1rem</span><br><br>
<span class="comment">// buttons.styl</span><br>
<span class="selector">.btn-primary</span><br>
<span class="property">background</span>: <span class="variable">primary-color</span><br>
<span class="property">color</span>: <span class="value">white</span><br>
<span class="property">padding</span>: <span class="variable">spacing</span> <span class="variable">spacing</span> * <span class="value">2</span><br>
<span class="property">border</span>: <span class="value">none</span><br>
<span class="property">border-radius</span>: <span class="value">4px</span><br>
<span class="property">cursor</span>: <span class="value">pointer</span><br><br>
<span class="selector">&:hover</span><br>
<span class="property">background</span>: <span class="value">darken(primary-color, 10%)</span>
</div>
</div>
</div>
</div>
<div class="decision-guide">
<h3>🎯 Setup Recommendations</h3>
<p><strong>For Learning:</strong> Install Stylus globally and experiment with different syntax styles to find your preference.</p>
<p><strong>For Small Projects:</strong> Use npm scripts with watch mode for quick development cycles.</p>
<p><strong>For Production Projects:</strong> Integrate with Webpack or Gulp for automated builds and optimization.</p>
<p><strong>For Teams:</strong> Use consistent build tooling and establish coding conventions for the flexible syntax.</p>
</div>
<div class="comparison-section">
<h2>🔧 Development Tools</h2>
<div class="feature-grid">
<div class="feature-card">
<div class="feature-icon">⚡</div>
<h3>VS Code Extension</h3>
<p>"Stylus" for syntax highlighting</p>
</div>
<div class="feature-card">
<div class="feature-icon">🔍</div>
<h3>Source Maps</h3>
<p>Debug Stylus in browser</p>
</div>
<div class="feature-card">
<div class="feature-icon">📊</div>
<h3>Live Reload</h3>
<p>Auto-refresh on changes</p>
</div>
<div class="feature-card">
<div class="feature-icon">🚀</div>
<h3>Plugin System</h3>
<p>Extend Stylus functionality</p>
</div>
</div>
</div>
</div>
</body>
</html>Practical Applications
🎨 Perfect Use Cases
- Node.js applications and APIs
- Projects valuing clean, expressive syntax
- Teams comfortable with JavaScript
- Custom design systems and frameworks
- Projects needing advanced mixin capabilities
🔧 Development Benefits
- Most flexible syntax options
- Excellent JavaScript integration
- Powerful mixin system
- Clean, optimized output
- Extensible with plugins
💡 Getting Started Tips
For Beginners:
- Start with familiar CSS syntax first
- Gradually explore flexible syntax options
- Practice with small components
- Use the official documentation
For Developers:
- Establish team coding conventions
- Leverage JavaScript integration
- Create reusable mixin libraries
- Optimize build processes
Ready to Learn Stylus? ✨
Start your journey with Stylus CSS today and discover the power of flexible, expressive CSS preprocessing with excellent JavaScript integration.