.flex {
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
}

.flex--row {
  -webkit-box-orient: horizontal;
  -webkit-flex-direction: row;
  flex-direction: row;
}

.flex--column {
  -webkit-box-orient: vertical;
  -webkit-flex-direction: column;
  flex-direction: column;
}