uncss

UnCSS

Remove unused styles from CSS

Installation:

npm install -g uncss

Usage

From the command line:

uncss [options] <file.html file.css ...>

Options:

-h, --help            output usage information
-V, --version         output the version number
-c, --compress        Compress CSS
-o, --outfile [file]  redirect the output to [file]

Within node:

var uncss = require('uncss');

var css     = ['my', 'array', 'of', 'css', 'files'],
    html    = ['some', 'html', 'files'],
    options = {
        compress: false,
        outfile: 'css/style.min.css'
    };

uncss(css, html, options);