node-purifycss: purifycss (Remove unused CSS. Also works with single-page apps) node-purifycss: node-purifycss: A function that takes content (HTML/JS/PHP/etc) and CSS, and returns node:purifycss: only the used CSS. PurifyCSS does not modify the original CSS files. node:purifycss: You can write to a new file, like minification. node:purifycss: If your application is using a CSS framework, this is especially node:purifycss: useful as many selectors are often unused. node-purifycss: node-purifycss: node-purifycss: node-purifycss: