body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}
#pdf-viewer {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 10px;
  box-sizing: border-box;
}
.pdf-page {
  margin-bottom: 20px;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
  width: 100%;
  height: auto;
}

@media print {
  body {
      display: none;
  }
}