@-webkit-keyframes fade-in-body {
  0% {
    opacity: 0; }
  100% {
    opacity: 1; } }

@-o-keyframes fade-in-body {
  0% {
    opacity: 0; }
  100% {
    opacity: 1; } }

@keyframes fade-in-body {
  0% {
    opacity: 0; }
  100% {
    opacity: 1; } }

@-webkit-keyframes fade-in-left-relative {
  0% {
    margin-right: 4rem;
    opacity: 0; }
  100% {
    margin-right: 0;
    opacity: 1; } }

@-o-keyframes fade-in-left-relative {
  0% {
    margin-right: 4rem;
    opacity: 0; }
  100% {
    margin-right: 0;
    opacity: 1; } }

@keyframes fade-in-left-relative {
  0% {
    margin-right: 4rem;
    opacity: 0; }
  100% {
    margin-right: 0;
    opacity: 1; } }

@-webkit-keyframes fade-in-up-absolute {
  0% {
    top: 3em;
    opacity: 0; }
  100% {
    top: 1em;
    opacity: 1; } }

@-o-keyframes fade-in-up-absolute {
  0% {
    top: 3em;
    opacity: 0; }
  100% {
    top: 1em;
    opacity: 1; } }

@keyframes fade-in-up-absolute {
  0% {
    top: 3em;
    opacity: 0; }
  100% {
    top: 1em;
    opacity: 1; } }

.book-navigation .menu {
  padding-bottom: 0;
  padding-top: 1em; }

.book-navigation .book-pager {
  margin: 0;
  overflow: auto;
  padding: 0.5em 0; }

.book-pager__item {
  display: inline-block;
  list-style-type: none;
  vertical-align: top; }

.book-pager__item--previous {
  text-align: left;
  /* LTR */
  width: 45%; }

[dir="rtl"] .book-pager__item--previous {
  float: right;
  text-align: right; }

.book-pager__item--center {
  text-align: center;
  width: 8%; }

.book-pager__item--next {
  float: right;
  /* LTR */
  text-align: right;
  /* LTR */
  width: 45%; }

[dir="rtl"] .book-pager__item--next {
  float: left;
  text-align: left; }