.frame-container {
  display: flex;
  flex-wrap: nowrap;

  &.-col { flex-direction: column }
  &.-row { flex-direction: row }
  &.-bound { overflow: hidden }

  & > .frame-content { flex: 1 0 auto }
  & > .frame-child { flex: 0 0 auto }

  &.-bound > .frame-content { flex: 1 1 auto }
}