.vk-duplex{
  display: flex;
  flex-direction: var(--vk-duplex-direction);
  gap: var(--vk-duplex-gap);
}
.vk-duplex.is-full-h{
  height: 100%;
}
.vk-duplex-1.with-flex,
.vk-duplex-2.with-flex {
  flex: var(--vk-duplex-flex);
}
.vk-duplex-1.with-overflow,
.vk-duplex-2.with-overflow {
  overflow: var(--vk-duplex-overflow);
}