Consistent responsive row column height in Bootstrap 3.

BS3_consistentHeightClasses.css

/* 
 * Provides Bootstrap 3 compatible classes for making responsive rows and columns consistently formatted for height.
 * src: http://www.minimit.com/articles/solutions-tutorials/bootstrap-3-responsive-columns-of-same-height
 */
/* columns of same height styles */
.row-same-height {
    display: table;
    width: 100%;
}
.col-xs-height {
    display: table-cell;
    float: none !important;
}

@media (min-width: 768px) {
    .col-sm-height {
        display: table-cell;
        float: none !important;
    }
}
@media (min-width: 992px) {
    .col-md-height {
        display: table-cell;
        float: none !important;
    }
}
@media (min-width: 1200px) {
    .col-lg-height {
        display: table-cell;
        float: none !important;
    }
}
/* vertical alignment styles */
.col-top {
    vertical-align:top;
}
.col-middle {
    vertical-align:middle;
}
.col-bottom {
    vertical-align:bottom;
}