body{
    background-color:darkgrey;
}
.initial{
    width: 10%;
    padding: 10px;
}

/* Desktop */
#pdf-iframe {
    height: 700px;
    width: 100%;
}
 
/* Mobile */
@media screen and (max-width: 992px) {
  #pdf-iframe {
    height: 400px;
    width: 100%;
  }
}