I'm using Angular 19 with Tailwind CSS v4 and SCSS as my stylesheet preprocessor. Tailwind classes are working ex: bg-white but not the dark mode ex: dark:bg-black. What I Did: I followed the installation from official Tailwind documentation for Angular Link Added dark class to html src/Styles.scss @use '@fontsource/poppins'; @use 'primeicons/primeicons.css'; @use 'tailwindcss'; Test <main class="flex-grow bg-white px-6 py-12 dark:bg-black"> <p>Test</p> </main> Continue reading...