btn-primary
btn-atGray
btn-atWarning
btn-white
btn-blue
btn-atPrimary
NEED TO RESOLVE THESE
btn-atPrimary btn-sm
btn-atPrimary btn-small
btn-atPrimary btn-vs
btn-atPrimary btn-xs
XS
btn-atPrimary btn-ss
SS
btn-atPrimary btn-sss
SSS