An alternate version of Tailwind CSS
npm install headwindcss
md:bg-blue-500 becomes md-bg-blue-500.
w-1/2, since Sass and Pug don't like the /, was replaced by _, so use w-1_2 now.
hover:bg-red-800 is replaced with a -, so now it's hover-bg-red-800.
sm work for everything below 650px.
sm - 0px
md - 650px
lg - 1024px
xl - 1280px