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How to define multiple style rules for a single element in CSS?
You may need to define multiple style rules for a single element. You can define these rules to combine multiple properties and corresponding values into a single block as defined in the following example:
<!DOCTYPE html>
<html>
<head>
<style>
h1 {
color: #36C;
font-weight: normal;
letter-spacing: .4em;
margin-bottom: 1em;
text-transform: lowercase;
}
</style>
</head>
<body>
<h1>Welcome to Our Website</h1>
<p>This heading has multiple CSS properties applied.</p>
</body>
</html>
Key Points
Here all the property and value pairs are separated by a semicolon (;). You can keep them in a single line or multiple lines. For better readability, we keep them on separate lines.
Multiple Approaches
You can write multiple CSS properties in different formats:
Single Line Format
<!DOCTYPE html>
<html>
<head>
<style>
.compact { color: red; font-size: 18px; margin: 10px; }
</style>
</head>
<body>
<p class="compact">This text uses single-line CSS formatting.</p>
</body>
</html>
Multi-line Format (Recommended)
<!DOCTYPE html>
<html>
<head>
<style>
.readable {
color: blue;
font-size: 20px;
font-weight: bold;
text-align: center;
padding: 15px;
border: 2px solid #333;
}
</style>
</head>
<body>
<div class="readable">This text uses multi-line CSS formatting for better readability.</div>
</body>
</html>
Grouping Related Properties
You can group related CSS properties together for better organization:
<!DOCTYPE html>
<html>
<head>
<style>
.card {
/* Typography */
font-family: Arial, sans-serif;
font-size: 16px;
line-height: 1.5;
/* Colors */
color: #333;
background-color: #f9f9f9;
/* Layout */
width: 300px;
padding: 20px;
margin: 10px;
/* Border and Effects */
border: 1px solid #ddd;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
</style>
</head>
<body>
<div class="card">
<h3>Card Title</h3>
<p>This card demonstrates organized CSS properties with multiple style rules.</p>
</div>
</body>
</html>
Best Practices
| Approach | Readability | Maintainability | Best For |
|---|---|---|---|
| Single Line | Low | Difficult | Quick prototyping |
| Multi-line | High | Easy | Production code |
| Grouped Properties | Very High | Very Easy | Complex layouts |
Conclusion
Use multi-line formatting with grouped properties for better readability and maintenance. Always separate properties with semicolons and organize related styles together for professional CSS code.
Updated on: 2026-03-15T23:18:59+05:30
1K+ Views
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