.layout--threecol {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.layout--threecol > .layout-region {
  flex: 0 1 25%;
}

.layout--threecol > .layout-region--fullwidth {
  flex: 0 1 100%;
}

.layout--threecol > .layout-region--middle {
  flex: 0 1 50%;
}
