.my-flipbook-viewer {
  max-width: 800px;
  margin: 30px auto;
  background: #fff;
  box-shadow: 0 0 20px rgba(0,0,0,0.1);
  padding: 20px;
  border-radius: 8px;
}
.my-flipbook-toolbar {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-family: 'Georgia', serif;
  font-size: 16px;
}
.my-flipbook-toolbar button {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #af20a1;
}
canvas {
  width: 100% !important;
  height: auto !important;
  display: block;
}