btnDefault()
  border-style solid
  border-width 1px
  border-color brandBorderColor
  background-color transparent
  color brandColor
  &:hover, &.hover, &:focus, &.focus
    border-color darken(brandBorderColor, 30%)
    color darken(brandColor, 30%)
  &:active, &.active
    background-color brandColor
    color white
    
btnPrimary()
  border-style solid
  border-width 1px
  border-color brandBorderColor
  background-color transparent
  color brandColor
  &:hover, &.hover, &:focus, &.focus
    border-color darken(brandBorderColor, 30%)
    color darken(brandColor, 30%)
  &:active, &.active
    background-color brandColor
    color white