.back-video{
  position: fixed;
  width: 100%;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.sonu{
  font-size: 80px;
  font-family: 'Times New Roman', Times, serif;
  color: white;
  text-align: center;
  padding-top: 110px;
}

.sonus{
  font-size: 20px;
  font-family: 'Times New Roman', Times, serif;
  color: white;
  margin: 80px;
}

/* @media (min-aspect-ratio: 16/9){
  .back-video{
    width: 100%;
    height: auto;
  }
}

@media (max-aspect-ratio: 16/9){
  .back-video{
    width: auto;
    height: 100%;
  }
} */


@media screen and (max-width: 667px) {
  .back-video{
    width: 1200px;
    right: 0;
    bottom: auto;
  
}
}