body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
li,
input,
select,
button {
  font-family: 'Source Sans Pro', Arial, Helvetica, sans-serif; }

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
li,
input,
select {
  color: #434a54; }

body {
  font-size: 100%;
  line-height: 1;
  color: #434a54;
  background-color: white; }
  body a:link,
  body a:visited,
  body a:active,
  body a:hover {
    outline: none;
    text-decoration: none; }
  body sup {
    vertical-align: super;
    font-size: 60%;
    line-height: 0; }
  body sub {
    vertical-align: sub;
    font-size: 60%;
    line-height: 0; }

.ui-state-disabled {
  opacity: 1;
  filter: Alpha(Opacity=100); }

.group:after {
  clear: both;
  content: ' ';
  display: block;
  font-size: 0;
  line-height: 0;
  visibility: hidden;
  width: 0;
  height: 0; }

* html .group {
  height: 1%; }

*:first-child + html .group {
  min-height: 1px; }

#container {
  position: relative;
  width: 976px;
  height: 600px;
  margin: 0 auto; }

#content {
  position: relative;
  width: 896px;
  height: 474px;
  padding: 40px;
  padding-top: 86px;
  background-color: #fefefe;
  -webkit-border-bottom-left-radius: 6px;
  -moz-border-bottom-left-radius: 6px;
  -ms-border-bottom-left-radius: 6px;
  -o-border-bottom-left-radius: 6px;
  border-bottom-left-radius: 6px;
  -webkit-border-bottom-right-radius: 6px;
  -moz-border-bottom-right-radius: 6px;
  -ms-border-bottom-right-radius: 6px;
  -o-border-bottom-right-radius: 6px;
  border-bottom-right-radius: 6px;
  -webkit-box-shadow: 1px 1px 4px 0px rgba(0, 0, 0, 0.15);
  -moz-box-shadow: 1px 1px 4px 0px rgba(0, 0, 0, 0.15);
  box-shadow: 1px 1px 4px 0px rgba(0, 0, 0, 0.15); }

#header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 68px;
  z-index: 450; }
  #header #header_content {
    position: relative;
    width: 976px;
    height: 56px;
    margin: 0 auto; }
    #header #header_content #obook_logo {
      float: left;
      width: 103px;
      margin-top: 14px; }
    #header #header_content #header_title {
      position: absolute;
      height: 20px;
      display: block;
      margin-top: 18px;
      font-size: 20px;
      font-weight: 600; }

#footer {
  position: relative;
  width: 976px;
  height: 54px;
  margin: 0 auto;
  margin-top: 10px; }
  #footer img {
    float: left; }
  #footer #content_footer {
    width: 600px;
    float: right; }
    #footer #content_footer div {
      float: right;
      height: 24px;
      margin-left: 20px;
      padding-top: 8px;
      padding-right: 28px;
      font-size: 16px;
      font-weight: 700;
      text-align: right;
      color: #1dafec;
      cursor: pointer;
      text-rendering: geometricPrecision;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale; }
      #footer #content_footer div#content_show_first {
        background: url(img/icon_def_first.svg) no-repeat 100% 50%; }
      #footer #content_footer div#content_randomise {
        background: url(img/icon_randomise.svg) no-repeat 100% 50%; }
      #footer #content_footer div#content_menu {
        background: url(img/icon_arrow_up.svg) no-repeat 100% 50%; }

#loading {
  position: absolute;
  z-index: 1000;
  width: 954px;
  height: 600px;
  background: url(img/preloader.svg) no-repeat center center white;
  -webkit-border-bottom-left-radius: 6px;
  -moz-border-bottom-left-radius: 6px;
  -ms-border-bottom-left-radius: 6px;
  -o-border-bottom-left-radius: 6px;
  border-bottom-left-radius: 6px;
  -webkit-border-bottom-right-radius: 6px;
  -moz-border-bottom-right-radius: 6px;
  -ms-border-bottom-right-radius: 6px;
  -o-border-bottom-right-radius: 6px;
  border-bottom-right-radius: 6px;
  -webkit-box-shadow: 1px 1px 4px 0px rgba(0, 0, 0, 0.15);
  -moz-box-shadow: 1px 1px 4px 0px rgba(0, 0, 0, 0.15);
  box-shadow: 1px 1px 4px 0px rgba(0, 0, 0, 0.15); }

#menu {
  position: relative;
  width: 896px;
  height: 474px;
  padding: 40px;
  padding-top: 86px;
  background-color: #fefefe;
  display: none;
  -webkit-border-bottom-left-radius: 6px;
  -moz-border-bottom-left-radius: 6px;
  -ms-border-bottom-left-radius: 6px;
  -o-border-bottom-left-radius: 6px;
  border-bottom-left-radius: 6px;
  -webkit-border-bottom-right-radius: 6px;
  -moz-border-bottom-right-radius: 6px;
  -ms-border-bottom-right-radius: 6px;
  -o-border-bottom-right-radius: 6px;
  border-bottom-right-radius: 6px;
  -webkit-box-shadow: 1px 1px 4px 0px rgba(0, 0, 0, 0.15);
  -moz-box-shadow: 1px 1px 4px 0px rgba(0, 0, 0, 0.15);
  box-shadow: 1px 1px 4px 0px rgba(0, 0, 0, 0.15); }
  #menu h1 {
    margin-bottom: 20px;
    font-weight: normal;
    font-size: 28px; }
  #menu #menu_header {
    position: relative;
    margin-bottom: 20px;
    border-bottom: 1px solid #ccd1d9; }
    #menu #menu_header h1 {
      margin-bottom: 0;
      padding-top: 16px;
      padding-bottom: 16px;
      font-weight: 400;
      font-size: 20px; }
    #menu #menu_header .full_book {
      position: absolute;
      width: 100px;
      height: 24px;
      top: 10px;
      right: 0;
      padding-top: 8px;
      padding-right: 28px;
      font-size: 16px;
      font-weight: 700;
      text-align: right;
      color: #1dafec;
      background: url(img/icon_arrow_next.svg) no-repeat 100% 50%;
      cursor: pointer; }
  #menu #menu_content {
    width: 910px;
    height: 404px;
    padding-top: 20px; }
    #menu #menu_content h2 {
      margin-bottom: 10px;
      font-size: 20px;
      font-weight: 400; }
    #menu #menu_content .menu_group {
      padding: 14px 0px; }
      #menu #menu_content .menu_group h1 {
        margin-bottom: 6px;
        font-size: 14px;
        font-weight: normal;
        color: #d2effb; }
      #menu #menu_content .menu_group li {
        display: block;
        width: 540px;
        padding: 6px 3px 6px 28px;
        font-size: 18px;
        font-weight: 400;
        line-height: 1;
        color: #1dafec;
        background: url(img/icon_arrow_next.svg) no-repeat 0 50%;
        cursor: pointer; }
    #menu #menu_content .menu_item {
      float: left;
      display: block;
      width: 90px;
      height: 70px;
      margin-right: 11px;
      margin-bottom: 18px;
      padding-top: 19px;
      font-size: 50px;
      font-weight: 300;
      text-align: center;
      color: white;
      background-color: #1dafec;
      cursor: pointer;
      -webkit-border-radius: 45px;
      -moz-border-radius: 45px;
      -ms-border-radius: 45px;
      -o-border-radius: 45px;
      border-radius: 45px; }
      #menu #menu_content .menu_item.disabled {
        color: #e9eaea;
        background: #e9eaea;
        cursor: default; }

#flashcards {
  display: none; }

.flashcard {
  width: 896px;
  height: 384px;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale; }
  .flashcard h1 {
    display: block;
    width: 896px;
    margin-bottom: 8px;
    padding-bottom: 0;
    font-size: 20px;
    font-weight: 400;
    text-align: center; }
  .flashcard .flashcard_header {
    height: 52px;
    margin-bottom: 52px;
    border-bottom: 1px solid #ccd1d9; }
    .flashcard .flashcard_header .flashcard_title {
      float: left;
      padding-top: 16px;
      font-size: 20px; }
      .flashcard .flashcard_header .flashcard_title p {
        font-weight: 400; }
    .flashcard .flashcard_header .flashcard_number {
      float: right;
      padding-top: 16px;
      font-size: 20px; }
  .flashcard #term_content {
    width: 896px;
    height: 240px;
    margin-top: 18px;
    overflow: auto; }
    .flashcard #term_content p {
      font-size: 40px;
      line-height: 1;
      text-align: center; }
      .flashcard #term_content p .sml {
        font-size: 16px; }
  .flashcard #definition_content {
    width: 600px;
    height: 244px;
    margin-left: 148px;
    overflow: auto; }
    .flashcard #definition_content p {
      margin-top: 10px;
      padding: 0px 10px;
      font-size: 20px;
      line-height: 1.6;
      text-align: center; }
      .flashcard #definition_content p strong {
        font-weight: 600; }
  .flashcard .flashcard_nav {
    position: absolute;
    width: 910px;
    height: 52px;
    bottom: 30px;
    left: 40px;
    padding-top: 10px;
    border-top: 1px solid #ccd1d9; }
    .flashcard .flashcard_nav .flashcard_nav_btn {
      float: left;
      height: 24px;
      padding-top: 8px;
      padding-left: 28px;
      font-size: 16px;
      font-weight: 700;
      color: #1dafec;
      cursor: pointer; }
      .flashcard .flashcard_nav .flashcard_nav_btn.flashcard_prev {
        text-align: right;
        background: url(img/icon_arrow_prev.svg) no-repeat left center; }
      .flashcard .flashcard_nav .flashcard_nav_btn.flashcard_show {
        position: absolute;
        width: 140px;
        height: 16px;
        float: left;
        margin-top: 4px;
        padding: 8px 12px;
        color: white;
        text-align: center;
        background-color: #1dafec;
        -webkit-border-radius: 16px;
        -moz-border-radius: 16px;
        -ms-border-radius: 16px;
        -o-border-radius: 16px;
        border-radius: 16px; }
      .flashcard .flashcard_nav .flashcard_nav_btn.flashcard_next {
        float: right;
        padding-left: 0;
        padding-right: 28px;
        text-align: left;
        background: url(img/icon_arrow_next.svg) no-repeat left center; }

.jspVerticalBar,
.jspTrack {
  background: url(img/scrollbar_vert.svg) repeat-y center; }

.jspDrag {
  background: url(img/scrolltrack_vert.svg) repeat-y center; }

.jspTrack .jspActive,
.jspTrack .jspHover,
.jspDrag:hover {
  background: url(img/scrolltrack_vert_hover.svg) repeat-y center; }