minions.margin-bottom

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

Installation

npm

npm install minions.margin-bottom

browser

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

License

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