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29 of 71📊 Tailwind CSS - Z-Index
📖 Z-Index Overview
Z-index utilities in Tailwind CSS control the stacking order of positioned elements. This determines which elements appear in front of or behind others when they overlap.
The z-index utilities use CSS z-index property to specify the stack level of positioned elements along the z-axis. Higher values appear in front of lower values.
🔧 Basic Z-Index
Apply basic z-index utilities to control element stacking order for positioned elements.
📱 Responsive Z-Index
Apply different z-index behavior at different breakpoints for optimal stacking order across devices.
🎨 Z-Index with Position
Combine z-index utilities with position utilities for precise control over element stacking and positioning.
🎨 Z-Index with Components
Use z-index utilities to create layered UI components like modals, dropdowns, and overlays.
🔧 Custom Z-Index Configuration
Create custom z-index utilities by extending the theme configuration with specific z-index values.
🎯 Use Cases
Common use cases for z-index utilities in web development.
- Modal dialogs and overlays
- Dropdown menus and navigation
- Tooltips and popovers
- Sticky headers and footers
- Layered card layouts
- Fixed navigation elements
- Complex UI components
- Animation and transition effects
- Responsive design patterns
🔍 Best Practices
Follow these best practices when working with z-index utilities.
- Use z-index only on positioned elements
- Keep z-index values low and manageable
- Use stacking contexts to isolate components
- Consider accessibility when layering content
- Test z-index behavior on different browsers
- Use z-index with responsive design
- Document z-index decisions for team members
- Avoid z-index conflicts between components
- Use semantic HTML elements appropriately