Background options

.bg-primary[primary, info, success, warning, danger, accent, dark]

bg-primary
bg-info
bg-success
bg-warning
bg-accent
bg-danger
bg-light
bg-dark

Border options

color: b-t[top, right, bottom, left]-primary[primary, info, success, warning, danger, accent, dark]
width: b-t[top, right, bottom, left]-2x[2x, 3x, 4x, 5x]

b-t-primary
b-r-info
b-b-success
b-l-warning
b-t-2x
b-r-3x
b-b-4x
b-l-5x
Text options

text-primary[primary, info, success, warning, danger][-lt[lt, dk]]

text-primarytext-info-lttext-success-dk