.flipbook {
  box-sizing: border-box;
}

.flipbook::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 40%;
  padding-right: 5%;
  padding-left: 5%;
  text-align: center;
  bottom: 0;
  content: attr(data-flipbook-notice);
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: pre;
}

.flipbook__button {
  position: absolute;
  top: 50%;
  height: 4rem;
  width: 2rem;
  margin-top: -2rem;
  line-height: 4rem;
  background: white;
  cursor: pointer;
  font-size: 1.5rem;
  text-align: center;
  transition: background-color .2s ease-in, color .2s ease-in;
}

.flipbook__button:hover {
  color: #fff;
  background-color: #ec621f;
}

.flipbook__button--next {
  border-top-right-radius: .5rem;
  border-bottom-right-radius: .5rem;
  right: -2rem;
}

.flipbook__button--prev {
  border-top-left-radius: .5rem;
  border-bottom-left-radius: .5rem;
  left: -2rem;
}

.flipbook--first-page .flipbook__button--prev {
  display: none;
}
.flipbook--last-page .flipbook__button--next {
  display: none;
}