.book-button {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 200;

  box-sizing: border-box;
  width: 85px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px 12px 9px 12px;
  border-radius: 50px;
  opacity: 1;
  background: #FFD215;
  color: #000;
  text-decoration: none;
  white-space: nowrap;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  font-size: 13px;
}

.book-button[hidden] {
  display: none;
}