NextJS has a nice built-in CSS support. I use CSS modules, meaning I don't have to worry about the class names, everything is organized, and associated just with the specific component.
They also have support for SASS, PostCSS, CSS-in-JS solutions like
styled-jsx, low-level utility frameworks like Tailwind, etc. For global styles, you can import the global CSS file within
What CSS approach do you use in NextJS?