.landing_page_cl {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#rutube_block {
    width: 100%;
    height: 100%;
}

#rutube_block iframe{
  position:absolute;
  inset:0;
  width:100% !important;
  height:100% !important;
  border:0;
  display:block;
}