Proper focus styling is essential for accessibility. Here's how to implement it effectively.
Understanding Focus States
Modern Focus Strategy
Custom Focus Indicators
Form Elements
Button Styles
Link Styles
Dark Mode
High Contrast Mode
Focus Within Patterns
Modal and Dialog
Accessibility Best Practices
Browser Support Fallback
Best Practices
Accessibility:
✓ Always provide visible focus indicators
✓ Ensure 3:1 contrast ratio
✓ Test with keyboard navigation
✓ Support high contrast mode
Design:
✓ Use :focus-visible for keyboard focus
✓ Match focus style to brand
✓ Use consistent focus patterns
✓ Consider dark/light modes
Implementation:
✓ Test in all browsers
✓ Provide fallbacks
✓ Use outline-offset for spacing
✓ Consider animation preferences
Avoid:
✗ Removing outline without replacement
✗ Low contrast focus indicators
✗ Inconsistent focus styles
✗ Ignoring form elements
Conclusion
Focus styling is crucial for accessibility. Use :focus-visible for keyboard-only focus indicators, ensure sufficient contrast, and provide consistent patterns across your site. Never remove focus styles without providing an equally visible alternative.