Buttons

Simple button

<button type="button" name="button" class="btn">Simple</button>

Big button

<button type="button" name="button" class="btn btn-blue btn-big">Blue</button>

Normal button

<button type="button" name="button" class="btn btn-blue">Blue</button>

Small button

<button type="button" name="button" class="btn btn-blue btn-small">Blue</button>

Wide button

<button type="button" name="button" class="btn btn-blue btn-wide">Blue</button>

Buttons with link type

Link
<a href="#" class="btn btn-blue btn-small">Link</a>

Colors button

Usage:
btn-"color name"

<button type="button" name="button" class="btn btn-blue">Blue</button>