.flip-book {
    position: relative;
    height: 100%;
  }
  
  .flip-book .view {
    text-align: center;
    height: 100%;
  }
  
  .flip-book .view .fnav {
  }
  
  .flip-book .view .prev, .flip-book .view .next {
    position: absolute;
    top: 50%;
    transform: translate(0, -50%);
    z-index: 1;
  }
  
  .flip-book .view .prev {
    left: 20px;
  }
  
  .flip-book .view .next {
    right: 20px;
  }
  
  
  .flip-book .view .fnav a {
    font-size: 75pt;
    color: #777;
  }
  
  .flip-book .view .fnav a:hover {
    cursor: pointer;
    text-shadow: 0 0 17px #000;
  }
  
  .flip-book .view .fnav a:active {
    font-size: 70pt;
  }
  
  .flip-book .view .fnav .hidden {
    display: none;
  }
  
  .flip-book .view .fnav .active {
    color: #555;
  }
  
  .flip-book .view .fnav .disabled {
    color: #aaa;
  }
  
  .flip-book .view .fnav .disabled:hover {
    cursor: not-allowed;
    text-shadow: none;
  }
  
  .flip-book .view .loading-progress {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  
  .flip-book .view .loading-progress.hidden {
    display: none;
  }
  
  .flip-book .loading-progress .progress {
    background-color: #555;
    background-image: none;
    width: 50px;
    height: 50px;
    margin: 0 auto;
    border-radius: 30px;
    padding: 5px;
    box-shadow: 0px 0px 3px #000;
    margin-bottom: 10px;
  }
  
  .flip-book .loading-progress .progress::after {
    content: ' ';
    display: block;
    width: 100%;
    height: 100%;
    background-size: contain;
    background-image: url('../imgs/light-loader.gif');
  }
  
  .flip-book .page-loading {
    width: 50px;
    height: 50px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
  }
  
  .flip-book .page-loading.hidden {
    display: none;
  }
  
  .flip-book .page-loading::after {
    content: ' ';
    display: block;
    width: 100%;
    height: 100%;
    background-size: contain;
    background-image: url('../images/light-loader.gif');
  }
  
  .flip-book .loading-progress .caption {
    background-color: #555;
    border: 1px solid #333;
    padding: 7px 10px;
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    font-size: 10pt;
    border-radius: 5px;
    font-style: italic;
    color: #eee;
  }
  
  .flip-book .controls {
    position: absolute;
    bottom: 0px;
    width: 100%;
  }
  
  .flip-book .controls .fnavbar {
    margin: 0 auto;
    opacity: 0.3;
    transition: opacity 2s ease-in-out 3s;
  }
  
  .flip-book .controls .fnavbar:hover {
    opacity: 1;
    transition: opacity 1s ease;
  }
  
  
  
  .efb {
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
  }
  .efb ul {
    margin: 0;
    padding: 0;
  }
  .efb .fnavbar {
    text-align: center;
    background-image: linear-gradient(to bottom,#3c3c3c 0,#222 100%);
    background-repeat: repeat-x;
    padding: 3px;
    overflow: visible;
    background-color: #3c3c3c;
  }
  .efb .fnavbar a {
    text-decoration: none;
    font-size: 14px;
  }
  .efb .fnavbar .fnav {
    font-size: 0;
    display: inline-block;
    text-align: left;
  }
  .efb .fnavbar .fnav li{
    font-size: 12pt;
    margin: 0;
  }
  .efb .fnavbar .fnav .fnav-item, .mobile-full-scr {
    display: inline-block;
  }
  .efb .fnavbar .fnav .hidden {
    display: none;
  }
  .efb .fnavbar .fnav .fnav-item>a, .mobile-full-scr>a {
    padding: 10px;
    display: inline-block;
    color: #ccc;
  }
  .efb .fnavbar .fnav>.active>a {
    color: #fff;
  }
  .efb .fnavbar .fnav .fnav-item>a:hover, .mobile-full-scr>a:hover {
    color: #fff;
    cursor: pointer;
  }
  .efb .fnavbar .fnav .fnav-item>a:active, .mobile-full-scr>a:active {
    text-shadow: 0 0 2px #fff;
  }
  .efb .fnavbar .fnav>.disabled>a {
    color: #888;
  }
  .efb .fnavbar .fnav>.disabled>a:hover {
    color: #888;
    cursor: not-allowed;
  }
  .efb .fnavbar .fnav>.active {
    background: #222;
  }
  
  .efb .fnavbar .fnav .dropdown, .efb .fnavbar .fnav .dropup {
    position: relative;
  }
  .efb .fnavbar .fnav .dropdown .menu {
    top: 100%;
    box-shadow: 3px 0 3px #222;
  }
  .efb .fnavbar .fnav .dropdown .caret {
    display: inline-block;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #ccc;
  }
  .efb .fnavbar .fnav .dropup .menu {
    bottom: 100%;
    box-shadow: 3px 0 3px #222;
  }
  .efb .fnavbar .fnav .dropup .caret {
    display: inline-block;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid #ccc;
  }
  .efb .fnavbar .menu {
    position: absolute;
    border: 1px solid #444;
    background-color: #222;
    z-index: 10;
    min-width: 160px;
  }
  .efb .fnavbar .menu li {
    display: block;
    padding: 5px 10px;
  }
  .efb .fnavbar .menu .divider {
    height: 1px;
    background-color: #444;
    padding: 0;
    margin: 5px 0;
  }
  .efb .fnavbar .menu .active {
    background-color: #444;
  }
  .efb .fnavbar .menu .active:hover {
    /*background-color: #444;*/
  }
  .efb .fnavbar .menu li:hover {
    background-color: #777;
    cursor: pointer;
  }
  .efb .fnavbar .menu li a {
    color: #fff;
  }
  .efb .fnavbar .menu .disabled a {
    color: #aaa;
    cursor: not-allowed;
  }
  
  .efb .fnavbar .menu .icon {
    display: inline-block;
    width: 14px;
    height: 14px;
    text-align: center;
  }
  
  .efb .pages {
    padding: 0 10px;
    display: inline-block;
    font-size: 0;
  }
  
  .efb .pages .number, .efb .pages .amount {
    width: 50px;
    height: 23px;
    text-align: center;
    display: inline-block;
    font-size: 11pt;
    border: 0;
    background-color: #ccc;
    font-weight: bold;
    border-radius: 0;
  }
  
  .efb .pages .number {
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
    background-color: #eee;
  }
  
  .efb .pages .amount {
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
  }
  
  /* floating window */
  
  .flip-book .float-wnd {
    position: absolute;
    top: 10px;
    left: 10px;
    border-radius: 5px 5px 0 0;
    background-color: #1a1a1a;
    width: 300px;
    z-index: 1;
    box-shadow: 3px 0 3px #222;
  }
  
  .flip-book .float-wnd.hidden {
    display: none;
  }
  
  .flip-book .float-wnd .header {
    border-radius: 4px 4px 0 0;
    background-color: #3c3c3c;
    background-image: linear-gradient(to bottom,#3c3c3c 0,#222 100%);
    background-repeat: repeat-x;
    padding: 7px 10px;
    border: 1px solid #444;
    border-bottom: none;
    color: #fff;
    font-weight: bold;
    cursor: move;
  }
  
  .flip-book .float-wnd .header .close {
    top: 5px;
    right: 8px;
    font-size: 14px;
    position: absolute;
    color: #ccc;
  }
  
  .flip-book .float-wnd .header .close:hover {
    color: #fff;
  }
  .flip-book .float-wnd .header .close:active {
    font-size: 12px;
    padding-top: 1px;
    padding-right: 1px;
  }
  
  .flip-book .float-wnd .body {
    border: 1px solid #444;
    border-top: none;
  }
  
  /* toc */
  
  .efb .toc {
    font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif;
  }
  
  .efb .toc a {
    text-decoration: none;
  }
  
  .efb .toc .hidden {
    display: none;
  }
  
  .efb .toc .toc-menu {
    padding: 5px 10px;
  }
  
  .efb .toc .toc-menu ul {
    list-style: none;
    padding: 0;
  }
  .efb .toc .toc-menu li {
    display: inline-block;
    padding-right: 5px;
  }
  .efb .toc .toc-menu a {
    color: #ccc;
    font-size: 14px;
  }
  .efb .toc .toc-menu a:hover {
    color: #fff;
  }
  .efb .toc .toc-menu a:active {
    text-shadow: 0 0 2px #fff;
  }
  .efb .toc .toc-menu .active a {
    color: #fff;
  }
  
  
  .efb .toc .toc-view {
    padding: 10px 0;
    max-height: 80vh;
    overflow-y: auto;
    overflow-x: hidden;
  }
  
  .efb .bookmarks .white-space, .efb .bookmarks .togle, .efb .bookmarks .togle i {
    width: 18px;
    height: 18px;
  }
  
  .efb .bookmarks .white-space {
    display: inline-block;
  }
  
  .efb .bookmarks li {
    width: 10000px;
  }
  
  .efb .bookmarks .item .area {
    padding: 2px 0;
  }
  
  .efb .bookmarks .level-0 .area {
    padding-left: 5px;
  }
  .efb .bookmarks .level-1 .area {
    padding-left: 10px;
  }
  .efb .bookmarks .level-2 .area {
    padding-left: 15px;
  }
  .efb .bookmarks .level-3 .area {
    padding-left: 20px;
  }
  .efb .bookmarks .level-4 .area {
    padding-left: 25px;
  }
  
  .efb .bookmarks .item .area:hover {
    background-color: #444;
  }
  
  .efb .bookmarks .item .area:active {
    background-color: #777;
  }
  
  .efb .bookmarks .item a {
    color: #fff;
    font-size: 14px;
  }
  
  .efb .bookmarks ul {
    list-style: none;
    padding: 0;
  }
  
  .efb .bookmarks .togle {
    display: inline-block;
    text-align: center;
    position: relative;
  }
  
  .efb .bookmarks .togle::before {
    content: ' ';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 0px solid #222;
    transition: border 0.2s;
  }
  
  .efb .bookmarks .togle:active::before {
    border: 12px solid #222;
    transition: border 0.05s;
  }
  
  .efb .bookmarks .togle i {
    transform: rotateZ(0deg);
    transition: transform 0.2s;
  }
  
  .efb .bookmarks .togle.minimized i {
    transform: rotateZ(90deg);
    transition: transform 0.2s;
  }
  
  
  .efb .thumbnails .item a {
    color: #fff;
    font-size: 14px;
  }
  
  .efb .thumbnails {
    padding: 10px 0;
    text-align: center;
  }
  .efb .thumbnails .thumbnail {
    height: 170px;
    margin-bottom: 5px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
  }
  .efb .thumbnails .loading {
    position: relative;
  }
  .efb .thumbnails .loading::after {
    content: ' ';
    position: absolute;
    width: 40px;
    height: 40px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-size: contain;
    background-image: url('../imgs/light-loader.gif');
  }
  .efb .thumbnails .item {
    display: inline-block;
    width: 128px;
    padding: 5px 5px;
    border: 1px solid transparent;
    border-radius: 3px;
  }
  .efb .thumbnails .item:hover {
    border: 1px solid #555;
    background-color: #444;
  }
  .efb .thumbnails .heading {
    overflow: hidden;
    height: 20px;
  }

  .efb .search .result {
    padding: 7px 10px;
    cursor: pointer;
  }
  
  .efb .search .result:hover {
    background-color: #444;
  }
  
  .efb .search .results a {
    color: #fff;
    font-size: 14px;
  }
  
  .efb .search .query {
    padding: 0 10px;
    padding-bottom: 10px;
  }
  
  .efb .search .query input {
    width: 100%;
  }
  
  .efb .search .status {
    text-align: center;
    color: #ccc;
    font-size: 12px;
  }
  





  .topbar {
    position: absolute;
    top: 0px;
    right: 0px;
    /* width: 90%; */
  }
  
  .topbar {
    margin: 0 auto;
    opacity: 0.3;
    transition: opacity 2s ease-in-out 3s;
  }

  .topbar .lineinfo,.linehead {
    text-align: right;
  }
  
  .topbar:hover {
    opacity: 1;
    transition: opacity 1s ease;
  }

  .topbar ul {
    margin: 0;
    padding: 0;
  }

  .topbar {
    text-align: center;
    /* background-image: linear-gradient(to bottom,#3c3c3c 0,#222 100%);
    background-repeat: repeat-x; */
    padding: 3px;
    overflow: visible;
    /* background-color: #3c3c3c; */
  }

  .topbar .linehead,.lineinfo {
    /* background-image: linear-gradient(to bottom,#3c3c3c 0,#222 100%);
    background-repeat: repeat-x; */

    margin-right: 30px;
    background-color: #3c3c3c;
  }
  
  
  .topbar .linehead>a {
    padding: 10px;
    display: inline-block;
    color: #ccc;
  }

  .topbar .linehead>a:hover {
    color: #fff;
    cursor: pointer;
  }
  
  .topbar .linehead>a:active {
    text-shadow: 0 0 2px #fff;
  }
  


  .topbar .lineinfo>a {
    padding-right: 10px;
    padding-bottom: 10px;
    display: inline-block;
    color: #ccc;
  }

  .topbar .lineinfo>a:hover {
    color: #fff;
    cursor: pointer;
  }
  
  .topbar .lineinfo>a:active {
    text-shadow: 0 0 2px #fff;
  }
  

  .mobile-full-scr{
    position: absolute;
    top: 0px;
    left: 0px;
    margin: 10px;
    font-size: 40px;
  }

  .hidden1 {
    display: none;
  }


  .linehead{
    font-size: 22px;
  }
  .lineinfo{
    font-size: 12px;
  }