#bookModal {
  z-index: 999999;
}
#bookModal .modal-body {
  background: #F9F9F9;
}
#bookModal #flipbook {
  width: 1170px;
  height: 650px;
  margin: 0 auto !important;
  overflow-x: hidden;
  overflow-y: hidden;
  display: none;
}
#bookModal .page {
  width: 100%;
  height: 100%;
}
.spinner {
  border: 16px solid #f3f3f3;
  border-top: 16px solid #3498db;
  border-radius: 50%;
  width: 120px;
  height: 120px;
  animation: spin 2s linear infinite;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.flipbook_page {
  margin: 0 auto !important;
}
.book-page {
  position: relative;
  min-height: 650px;
  margin-bottom: 40px;
}

.fa, .fas {
  font-family: "Font Awesome 5 Pro" !important;
}