#_MM_ctrlbar ~ #_MM_nav
  {
    margin-top: calc(108px + 1em + 45px);
  }

#_MM_nav
  {
    margin: 1em;
    float: left;
    background-color: #FAFBFF;
    border-style: solid;
    border-width: 1px;
    border-color: #6B798F;
    overflow: hidden;
    width: 320px;
    height: 100%;
    position: relative;
    min-height: 20px;
    margin-top: 108px + 1em;
  }

#_MM_nav table
  {
    border-collapse: collapse;
  }

td.nav_tree_entity_children > div, td.nav_tree_entity_attached > div
  {
    margin-left: 6px;
  }

td.nav_tree_entity_node_icon
  {
    width: 1%;
  }

td.nav_tree_entity_node_label
  {
    width: 99%;
  }

td.nav_tree_branch_node_label
  {
    font-weight: bold;
    height: 2ex;
    padding-bottom: 4px;
    color: #464D65;
  }

td.nav_tree_entity_node_label
  {
    color: #415799;
    cursor: pointer;
  }

td.nav_tree_entity_node_label:hover
  {
    color: #5B7BD8;
  }

div.nav_net_line
  {
    background-color: black;
  }

div.nav_net_line
  {
    background-color: #c61c1c;
  }

div.nav_net_node_label
  {
    border-style: solid;
    border-width: 2px;
    border-color: #A6BCDD;
    border-radius: 4px;
    color: #2C2C2C;
    background-color: rgba(224, 223, 222, 0.9);
    padding: 4px 4px 4px 4px;
    font-size: 85%;
    max-width: 120px;
  }

#_MM_nav_net_ctrlbar
  {
    white-space: nowrap;
    font-size: 75%;
  }

span.nav_net_ctrlbar_item_sep
  {
    padding: 0em 0.2em 0em 0.2em;
  }

div.nav_net_ctrlbar_linebreak
  {
    height: 2px;
  }

div.nav_net_ctrlbar_linebreak.large
  {
    height: 10px;
  }

#_MM_nav_net_ctrlbar a.disabled
  {
    text-decoration: none;
  }

div.nav_icon_foldexpand_folded
  {
    width: 16px;
    height: 16px;
    cursor: pointer;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/58/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_foldexpand_expanded
  {
    width: 16px;
    height: 16px;
    cursor: pointer;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/61/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_foldexpand_loading
  {
    width: 16px;
    height: 16px;
    cursor: pointer;
    background-image: none;
  }

div.nav_icon_branching_point
  {
    width: 13px;
    height: 15px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/51/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_branching_point.or
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/53/cache-hint/0/2");
  }

div.nav_icon_branching_point.and
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/52/cache-hint/0/2");
  }

div.nav_icon_ovl_level_1_afteredit
  {
    width: 43px;
    height: 35px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_1_editable
  {
    width: 43px;
    height: 35px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_1_normal
  {
    width: 43px;
    height: 35px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_1_noteditable
  {
    width: 43px;
    height: 35px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_1_notvisible
  {
    width: 43px;
    height: 35px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_1_plain
  {
    width: 43px;
    height: 35px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/156/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_1_returned
  {
    width: 43px;
    height: 35px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_1_returnedh
  {
    width: 43px;
    height: 35px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_1_submitted
  {
    width: 43px;
    height: 35px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_1_submittedh
  {
    width: 43px;
    height: 35px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_2_afteredit
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/157/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_2_editable
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/158/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_2_normal
  {
    width: 37px;
    height: 31px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_2_noteditable
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/160/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_2_notvisible
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/161/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_2_plain
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/162/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_2_returned
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/163/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_2_returnedh
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/164/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_2_submitted
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/165/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_2_submittedh
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/166/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_3_afteredit
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/167/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_3_editable
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/168/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_3_normal
  {
    width: 33px;
    height: 29px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_3_noteditable
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/169/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_3_notvisible
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/170/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_3_plain
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/171/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_3_returned
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/172/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_3_returnedh
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/173/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_3_submitted
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/174/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_3_submittedh
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/175/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_4_afteredit
  {
    width: 29px;
    height: 27px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_4_editable
  {
    width: 29px;
    height: 27px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_4_normal
  {
    width: 29px;
    height: 27px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_4_noteditable
  {
    width: 29px;
    height: 27px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_4_notvisible
  {
    width: 29px;
    height: 27px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_4_plain
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/176/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
  }

div.nav_icon_ovl_level_4_returned
  {
    width: 29px;
    height: 27px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_4_returnedh
  {
    width: 29px;
    height: 27px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_4_submitted
  {
    width: 29px;
    height: 27px;
    cursor: pointer;
  }

div.nav_icon_ovl_level_4_submittedh
  {
    width: 29px;
    height: 27px;
    cursor: pointer;
  }

div.nav_icon_annex_normal
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/72/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_annex_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/71/cache-hint/0/2");
  }

div.nav_icon_annex_selected
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/73/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_article_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/75/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_article_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/74/cache-hint/0/2");
  }

div.nav_icon_article_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/76/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_algorithm_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/78/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_algorithm_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/77/cache-hint/0/2");
  }

div.nav_icon_element_algorithm_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/79/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_application_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/81/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_application_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/80/cache-hint/0/2");
  }

div.nav_icon_element_application_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/82/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_custom_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/84/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_custom_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/83/cache-hint/0/2");
  }

div.nav_icon_element_custom_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/85/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_definition_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/87/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_definition_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/86/cache-hint/0/2");
  }

div.nav_icon_element_definition_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/88/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_exercise_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/90/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_exercise_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/89/cache-hint/0/2");
  }

div.nav_icon_element_exercise_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/91/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_lemma_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/93/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_lemma_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/92/cache-hint/0/2");
  }

div.nav_icon_element_lemma_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/94/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_method_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/96/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_method_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/95/cache-hint/0/2");
  }

div.nav_icon_element_method_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/97/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_motivation_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/99/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_motivation_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/98/cache-hint/0/2");
  }

div.nav_icon_element_motivation_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/100/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_theorem_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/102/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_element_theorem_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/101/cache-hint/0/2");
  }

div.nav_icon_element_theorem_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/103/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_lecture_normal
  {
    width: 43px;
    height: 35px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/105/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_lecture_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/104/cache-hint/0/2");
  }

div.nav_icon_lecture_selected
  {
    width: 43px;
    height: 35px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/106/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_applet_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/108/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_applet_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/107/cache-hint/0/2");
  }

div.nav_icon_problem_applet_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/109/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_gwtmathlet_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/108/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_gwtmathlet_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/107/cache-hint/0/2");
  }

div.nav_icon_problem_gwtmathlet_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/109/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_mchoice_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/108/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_mchoice_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/107/cache-hint/0/2");
  }

div.nav_icon_problem_mchoice_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/109/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_program_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/108/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_program_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/107/cache-hint/0/2");
  }

div.nav_icon_problem_program_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/109/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_python_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/108/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_python_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/107/cache-hint/0/2");
  }

div.nav_icon_problem_python_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/109/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_octave_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/108/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_octave_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/107/cache-hint/0/2");
  }

div.nav_icon_problem_octave_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/109/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_traditional_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/108/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_traditional_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/107/cache-hint/0/2");
  }

div.nav_icon_problem_traditional_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/109/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_written_normal
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/108/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_problem_written_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/107/cache-hint/0/2");
  }

div.nav_icon_problem_written_selected
  {
    width: 33px;
    height: 29px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/109/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_deduction_normal
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/111/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_deduction_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/110/cache-hint/0/2");
  }

div.nav_icon_subelement_deduction_selected
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/112/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_example_normal
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/114/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_example_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/113/cache-hint/0/2");
  }

div.nav_icon_subelement_example_selected
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/115/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_exercise_normal
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/117/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_exercise_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/116/cache-hint/0/2");
  }

div.nav_icon_subelement_exercise_selected
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/118/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_history_normal
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/120/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_history_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/119/cache-hint/0/2");
  }

div.nav_icon_subelement_history_selected
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/121/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_motivation_normal
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/123/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_motivation_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/122/cache-hint/0/2");
  }

div.nav_icon_subelement_motivation_selected
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/124/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_proof_normal
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/126/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_proof_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/125/cache-hint/0/2");
  }

div.nav_icon_subelement_proof_selected
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/127/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_remark_normal
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/129/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_remark_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/128/cache-hint/0/2");
  }

div.nav_icon_subelement_remark_selected
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/130/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_test_normal
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/132/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_test_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/131/cache-hint/0/2");
  }

div.nav_icon_subelement_test_selected
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/133/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_training_normal
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/135/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_training_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/134/cache-hint/0/2");
  }

div.nav_icon_subelement_training_selected
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/136/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_visualization_normal
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/138/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_subelement_visualization_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/137/cache-hint/0/2");
  }

div.nav_icon_subelement_visualization_selected
  {
    width: 29px;
    height: 27px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/139/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_worksheet_homework_normal
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/142/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_worksheet_homework_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/141/cache-hint/0/2");
  }

div.nav_icon_worksheet_homework_selected
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/143/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_worksheet_prelearn_normal
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/146/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_worksheet_prelearn_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/145/cache-hint/0/2");
  }

div.nav_icon_worksheet_prelearn_selected
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/147/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_worksheet_selftest_normal, div.nav_icon_worksheet_instant-selftest_normal, div.nav_icon_worksheet_selfreflection_normal
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/150/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_worksheet_selftest_normal:hover, div.nav_icon_worksheet_instant-selftest_normal:hover, div.nav_icon_worksheet_selfreflection_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/149/cache-hint/0/2");
  }

div.nav_icon_worksheet_selftest_selected, div.nav_icon_worksheet_instant-selftest_selected, div.nav_icon_worksheet_selfreflection_selected
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/151/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_worksheet_training_normal
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/154/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_worksheet_training_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/153/cache-hint/0/2");
  }

div.nav_icon_worksheet_training_selected
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/155/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_worksheet_game_normal
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/473/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

div.nav_icon_worksheet_tgame_normal:hover
  {
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/472/cache-hint/0/2");
  }

div.nav_icon_worksheet_game_selected
  {
    width: 37px;
    height: 31px;
    background-image: url("https://www.ohmint.de/ohmint/semiprotected/entity/generic_image/id/474/cache-hint/0/2");
    background-position: center center;
    background-repeat: no-repeat;
  }

.element-not-visible
  {
    opacity: 0.5;
    pointer-events: none;
  }

div.nav_icon_spinner
  {
    background-color: rgba(224, 223, 222, 0.5);
  }

span.countdown
  {
    font-style: italic;
  }

span.running
  {
  }

span.countdownWarning
  {
    color: rgb(255, 52, 0);
  }

span.past
  {
  }