.col-sm-4
.col-sm-8
.col-sm-8 .col-sm-offset-4

.col-sm-3
.col-sm-9
.col-sm-6 .col-sm-offset-3
.col-sm-3

.col-sm-3
.col-sm-3
.col-sm-3
.col-sm-3
.col-sm-3 .col-sm-offset-3
.col-sm-3 .col-sm-offset-3