Tailwind responsiveness is mobile-first.
Styles without screen size specified is applied to screen sizes less than
the specified screen size styles.
smallest screen sizes
first.bigger screen sizes
."mb-80 md:mb-8" // mb-80 is applied to smaller screen size than md; NOT greater "style" <= "responsive-style"
Different width size per screen size
className="w-16 sm:w-12 md:w-32 lg:w-48" // sm = 640px // md = 768px // lg = 1024px // xl = 1280px // 2xl = 1536px