body {
  background: #b7caf8;
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  display: flex;
  justify-content: center;
  align-items: center; /* centrado vertical */
  /*padding-top: 5px;*/
  flex-direction: column;
}


.book-container {
  box-shadow: 0 0 20px rgba(0,0,0,0.2);
  display: flex;
  justify-content: center;
  align-items: center;
}

#flipbook {
  width: 900px;
  height: 600px;
}

.page {
  background-color: white;
  padding: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  margin: auto;
}