.layout--one-column-band {}

.layout--one-column-band > .layout__region {}

.layout--one-column-band .layout__region--content {
  width: 100%;
}

.layout--onecol .layout__region {
  width: 100%;
}

@media all and (max-width: 850px) {
  .layout--one-column-band {
    flex-direction: column;
  }
  .layout--one-column-band > .layout__region {
    width: auto;
  }
}