.body{
    background-color: 666;
}


.initial{
    width: 10%;
}

/* Desktop */
#pdf-iframe {
    height: 450px;
    width: 100%;
}

/* Mobile */
@media screen and (max-width: 992px) {
  #pdf-iframe {
    height: 200px;
    width: 100%;
  }
}