The Minima buttons are composed of 2 different classes:
The first one is a simple button class. This defines the layout of a button but doesn't add any visual effects to it.
In order to change it's appearence the second class is needed: the button effect class (bfx).
These classes can add various special effects and colors to your buttons.
Simply apply the desired css classes to a div, anchor or button.
If you want to add icons to your buttons you can easily do so by adding your image directly inside it.
The buttons are designed to work with Google's variable icon font.
This means that if you use google's icons you'll have a smoother workflow, otherwise adding custom icons may
require adding additional custom css classes.
Note: If you place an icon in front of the text you shoul give it the "m-btn-icon" class. This will adjust it's margins to fit better.