Buttons
.pure-button
.pure-button-aqua
.pure-button-black
.pure-button-blue
.pure-button-green
.pure-button-grey
.pure-button-grey-medium
.pure-button-grey-dark
.pure-button-maroon
.pure-button-navy
.pure-button-orange
.pure-button-pink
.pure-button-purple
.pure-button-red
.pure-button-silver
.pure-button-teal
.pure-button-white
.pure-button-yellow
.pure-button-xsmall
.pure-button-small
.pure-button-large
.pure-button-xlarge
.pure-button-block
.pure-button-border
.pure-button-border.pure-button-border-thick
.pure-button-white.pure-button-border.pure-button-border-thick.pure-button-border-color-green .pure-button-text-color-green