<a> default
.button-default .button-secondary .button-primary .button-info .button-success .button-warning .button-danger .button-dark
<button> default
a.block (parent w/ padding)
.button-default .button-secondary .button-primary .button-info .button-success .button-warning .button-danger .button-dark
button.block (parent w/ padding)
a.button-icon
button.button-icon
a.block.button-icon
button.block.button-icon
a.button-outline
.button-default .button-secondary .button-primary .button-info .button-success .button-warning .button-danger .button-dark
button.button-outline
a.block.button-outline (parent w/ padding)
.button-default .button-secondary .button-primary .button-info .button-success .button-warning .button-danger .button-dark
button.block.button-outline (parent w/ padding)
a.button-clear
.button-default .button-secondary .button-primary .button-info .button-success .button-warning .button-danger .button-dark
button.button-clear
a.block.button-clear (parent w/ padding)
.button-default .button-secondary .button-primary .button-info .button-success .button-warning .button-danger .button-dark
button.block.button-clear (parent w/ padding)
a.block (parent w/out padding)
.button-default .button-secondary .button-primary .button-info .button-success .button-warning .button-danger .button-dark
a.block (.button-full on the parent)
button.block.button-full on each button and nothing on the parent