.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: -1rem;
  margin-right: -1rem;
}

[class*="col-"] {
  padding-left: 1rem;
  padding-right: 1rem;
  width: 100%;
}

/* Fixed fraction columns */
.col-1 { flex: 0 0 8.333%; max-width: 8.333%; }
.col-2 { flex: 0 0 16.666%; max-width: 16.666%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-5 { flex: 0 0 41.666%; max-width: 41.666%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333%; max-width: 58.333%; }
.col-8 { flex: 0 0 66.666%; max-width: 66.666%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333%; max-width: 83.333%; }
.col-11 { flex: 0 0 91.666%; max-width: 91.666%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }


/* Responsive variants */
@media (min-width: 768px) {
.col-md-6 { flex: 0 0 50%; max-width: 50%; }
.col-md-4 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-md-8 { flex: 0 0 66.666%; max-width: 66.666%; }
}


@media (min-width: 1024px) {
.col-lg-4 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-lg-6 { flex: 0 0 50%; max-width: 50%; }
.col-lg-8 { flex: 0 0 66.666%; max-width: 66.666%; }
}