.flipbook-container {
  max-width: 100%;
  margin: 0 auto;
  text-align: center;
}
#flipbook {
  width: 900px;
  height: 600px;
  margin: 0 auto;
}
.page {
  background: #fff;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  margin: 5px;
}
.flipbook-controls {
  margin-top: 10px;
}
.flipbook-controls button {
  padding: 8px 16px;
  margin: 0 5px;
  font-size: 14px;
  cursor: pointer;
}
@media (max-width: 1024px) {
  #flipbook {
    width: 100%;
    height: auto;
  }
  .page {
    margin: 10px auto;
    width: 100% !important;
    height: auto !important;
  }
}