CSS Responsive Design
CSS Responsive Design — Build websites that work on every device with fluid layouts, responsive images, mobile-first approach, and best practices. The guide walks through Principles of Responsive Design, Fluid Layouts, Responsive Navigation and Tables, Responsive Images and Best Practices. Responsive design ensures your website looks and works well on any device. Core principles: 1. Fluid grids: Use relative units instead of fixed pixels 2. Flexible images: Images scale with their container 3. Media queries: Adjust layouts at breakpoints 4. Mobile-first: Start with the smallest screen, enhance upward Without this meta tag, mobile browsers may fake a desktop viewport. Use relative units for responsive sizing: Fixed layout (avoid): .container { width: 1200px; } Fluid layout (recommended): .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1rem; } Fluid grids: .grid-item { flex: 1 1 300px; } /* Grows, shrinks, 300px base */ .responsive-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; } Fluid typography: h1 {…