Reproduction for cssnano/cssnano#1202

Setup:

# Clone this repository
git clone https://github.com/loilo/repro-cssnano-ordererdvalues.git

# cd into the cloned folder
cd repro-cssnano-ordererdvalues

# Install npm dependencies
npm ci

Show broken minification:

npx postcss --config default-config stylesheet.css

Show proper minification (with orderedValues option disabled):

npx postcss --config fixed-config stylesheet.css