minions.z-index

source on Github 
    
/*! minions.css */
.zi-100{z-index:100}
.zi-200{z-index:200}
.zi-300{z-index:300}
.zi-400{z-index:400}
.zi-500{z-index:500}
.zi-600{z-index:600}
.zi-700{z-index:700}
.zi-800{z-index:800}
.zi-900{z-index:900}

Installation

npm

npm install minions.z-index

browser

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

License

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