html, body {
  margin: 0;
  padding: 0;
  background: #f0f0f0;
  width: 100%;
  min-height: 100%;
}

#pdf-container {
  width: 100%;
  padding: 8px;
  box-sizing: border-box;
}

.pdf-page {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto 16px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}