.react-pdf__Page__canvas {
  margin: 0 auto;
  width: 65% !important;
  height: 50% !important;
}

@media only screen and (max-width: 600px) {
  .react-pdf__Page__canvas {
    margin: 0 auto;
    width: 100% !important;
    height: auto !important;
  }
}