CSS to Tailwind: The Complete Migration Guide for 2026

Migrating from traditional CSS to Tailwind CSS? Here's the property-by-property guide. Core Property Mappings Layout CSS Tailwind display: flex flex display: grid grid display: none hidden display: block block display: inline-flex inline-flex position: relative relative position: absolute absolute position: fixed fixed position: sticky sticky Spacing (4px base unit) CSS Tailwind padding: 4px p-1 padding: 8px p-2 padding: 16px p-4 padding: 24px p-6 margin: 0 auto mx-auto gap: 16px gap-4 Sizing CSS Tailwind width: 100% w-full height: 100vh h-screen max-width: 640px max-w-xl min-height: 0 min-h-0 Responsive Design The biggest win with Tailwind is inline responsive design: /* Traditional CSS */ .container { font-size : 14px ; padding : 8px ; } @media ( min-width : 768px ) { .container { font-size : 16px ; padding : 16px ; } } @media ( min-width : 1024px ) { .container { font-size : 18px ; padding : 24px ; } } <!-- Tailwind: all in one line --> <div class= "text-sm p-2 md:text-base md:p-4 l