.col-sm-21,
.col-sm-22,
.col-sm-21a,
.col-sm-22a,
.col-sm-21b,
.col-sm-22b,
.col-sm-41,
.col-sm-42,
.col-sm-43,
.col-sm-44 {
    position: relative;
    min-height: 1px;
    padding-left: 15px;
    padding-right: 15px;
}

@media (min-width: 768px) {
    .col-sm-21,
    .col-sm-22,
    .col-sm-21a,
    .col-sm-22a,
    .col-sm-21b,
    .col-sm-22b,
    .col-sm-41,
    .col-sm-42,
    .col-sm-43,
    .col-sm-44 {
        float: left;
    }

    .col-sm-21 {
       width: 69.54%;
    }

    .col-sm-22 {
        width: 30.46%;      	
    }

    .col-sm-21a {
        width: 19.79%;      	
    }

    .col-sm-22a {
        width: 80.21%;
    }

    .col-sm-21b {
        width: 73.44%;      	
    }

    .col-sm-22b {
        width: 26.56%;
    }

    .col-sm-41 {
        width: 22.33%;
    }

    .col-sm-42 {
        width: 24.27%;
    }

    .col-sm-43 {
        width: 33%;
    }

    .col-sm-44 {
        width: 20.4%;
    }
    
}