minions.margin

source on Github 
    
/*! minions.css */
.m-0a{margin:0 auto}
.m-0{margin:0}
.m-\.25e{margin:.25em}
.m-\.5e{margin:.5em}
.m-1e{margin:1em}
.m-2e{margin:2em}
.m-3e{margin:3em}
.m-4e{margin:4em}
.m-\.25r{margin:.25rem}
.m-\.5r{margin:.5rem}
.m-1r{margin:1rem}
.m-2r{margin:2rem}
.m-3r{margin:3rem}
.m-4r{margin:4rem}

Installation

npm

npm install minions.margin

browser

<link rel="stylesheet" href="https://unpkg.com/minions.margin" />

License

The MIT License (MIT)
Copyright (c) 2016 Michael Chan