Responsive Design Guidelines

Core Principles

• Write semantic HTML to improve accessibility and SEO
• Use CSS for styling, avoiding inline styles
• Ensure responsive design using media queries and flexible layouts
• Prioritize accessibility by using ARIA roles and attributes
• Design mobile-first, then enhance for larger screens

Mobile-First Approach

Strategy

• Start with styles for the smallest viewport
• Add complexity through progressive enhancement
• Base styles work without media queries
• Media queries add features for larger screens