html, body{
    font-family: Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    font-size: 110%;
    background-color: #0d0f14;
    color: #ffffff;
}
a{
    color: #67c5ff;
}
.navbar{
    font-size: 111%;
    position: fixed;
    width: 100%;
    top: 0;
}
.navbar-top{
    background-color:  #000000;
}
.navbar-top-list{
    cursor: pointer;
    padding: 1.5%;
    margin: 0;
}
.navbar-top-element{
    display: inline;
    padding: 8px;
    background-color: #181c26;
    margin: 0.4%;
    border-bottom-style: none;
    border-width: 1px;
    border-color: #ffffff;
}
.navbar-top-element:hover{
    background-color: #2f3a51;
}
.navbar-bottom-list{
    background-color: #000000;
    cursor: pointer;
    padding: 1.5%;
    margin: 0;
}
.navbar-bottom-element{
    display: inline-block;
    padding: 8px;
    background-color: #181c26;
    margin: 0.4%;
    border-bottom-style: none;
    border-width: 1px;
    border-color: #ffffff;
}
.navbar-bottom-element:hover{
    background-color: #2f3a51;
}
.navbar-line{
    height: 1px;
    border: 0;
    border-top: 1px solid #ffffff;
    margin: 0 16%;
    padding: 0;
}
.navbar-account{
    position: fixed;
    top: 0;
    right: 0;
    text-align: center;
    font-size: 72%;
}
.navbar-link{
    text-decoration: none;
    color: #ffffff;
}
.legal{
    width: 100%;
}
.legal-list{
    padding: 1.5%;
    background-color: #000000;
    text-align: center;
}
.legal-element{
    display: inline;
    margin: 0 0.5%;
}
.legal-link{
    color: #67c5ff;
}
.main{
    min-height: 72vh;
    margin: 15% 2% 6%;
}
.centered{
    text-align: center;
}
.comments-container{
    border: 1px solid #ffffff;
    gap: 2em;
}
.comments-element{
    border: 1px solid #ffffff;
    margin: 0;
}
.comments-text{
    margin: 0.5em;
}

/* index.html */
.index-icons{
    display: grid;
    grid-template-columns: auto auto;
    font-size: 200%;
}
.index-icon{
    text-align: center;
    padding: 16% 0;
    cursor: pointer;
}
.index-icon_g21m{
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),url("/static/images/index__g21m.png");
    background-size: cover;
}
.index-icon_zitateliste{
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),url("/static/images/index__zitateliste.png");
    background-size: cover;
}

/* _error.html */
.error_main{
    text-align: center;
}

/* g21m_aktivität.html */
.activity_large-link{
    font-size: 172%;
    text-align: center;
}
.activity_title{
    text-align: center;
}

/* g21m_kalender.html */
.calendar_weekdays{
    margin-top: 1%;
    display: grid;
    grid-template-columns: 14% 14% 14% 14% 14% 14% 14%;
    gap: 4px;
    padding: 4px;
    background-color: #000000;
}
.calendar_weekday{
    text-align: center;
    min-height: 1em;
}
.calendar_calendar{
    display: grid;
    grid-template-columns: 14% 14% 14% 14% 14% 14% 14%;
    gap: 4px;
    padding: 4px;
    background-color: #000000;
}
.calendar_day {
    min-height: 6em;
}
.calendar_day-list{
    list-style-type: none;
    display: inline;
    float: none;
    text-align: center;
    margin: 0;
    padding: 0;
}
.calendar_event{
    border: 2px solid #dddddd;
    margin-top: -2px;
}
#calendar_selected{
    color: #1b1e28;
}
#calendar_not-selected{
    color: #14161e;
}
#calendar_current-date{
    color: #2a2f3d;
}
.calendar_input-form{
    display: table;
    width: 100%;
    margin-right: 32%;
}
.calendar_input-field{
    background-color: #14161e;
    border-color: #999999;
    color: #ffffff;
    width: 36em;
    font-size: 96%;
    text-align: left;
}
.calendar_input-submit{
    background-color: #14161e;
    border-color: #999999;
    color: #ffffff;
    font-size: 100%;
    margin: 2% 10% 2% 12%;
}
.calendar_input-label{
    text-align: right;
}
.calendar_input-row{
    display: table-row;
    margin: 4px;
}
.calendar_input-row-submit{
    text-align: right;
}
.calendar_input-cell{
    display: table-cell;
    margin: 4px;
}

/* g21m_dokumente.html */
.documents_center{
    text-align: center;
}
.documents_list{
    margin-top: 1%;
    display: grid;
    grid-template-columns: 33.1% 33.1% 33.1%;
    padding: 4px;
}
.documents_element{
    list-style-type: none;
    display: inline;
    float: none;
    background-color: #1b1e28;
    cursor: pointer;
    padding-left: 1.7%;
    border: 4px solid #000000;
}

/* g21m_dokumente_vorschau */
.documents-preview_iframe{
    margin-left: 5%;
    width: 90%;
    height: 48em;
}

/* g21m_lernsets */
.lernsets_input_field{
    background-color: #242424;
    border-color: #999999;
    color: #ffffff;
    width: 16%;
    font-size: 96%;
}
.lernsets_input_div{
    margin-left: 8%;
    display: grid;
    grid-template-columns: auto auto auto;
}
.lernsets_input_submit{
    display: inline-block;
    margin: 6px;
    line-height: 1.42;
    padding: 0.2em 0.4em;
    font-weight: normal;
    border-width: 2px;
    border-style: solid;
    background: transparent;
    border-radius: 1.46em;
    cursor: pointer;
    vertical-align: bottom;
    position: relative;
    overflow: hidden;
    transition: background-color 0.2s, color 0.2s;
    color: #0B44EF;
    border-color: #0B44EF;
    font-size: 128%;
}
.lernsets_input_submit:hover {
    color: #E6EAEF;
    background-color: #0B44EF;
}
.lernsets_input_submit:active {
    background-color: #0a40e0;
}
.lernsets_input_submit:active::after {
    background-color: #0a40e0;
}
.lernsets_input_submit::after {
    background-color: #0B44EF;
}
.lernsets_input_box{
    background-color: #242424;
    border-color: #000000;
    color: #ffffff;
    transform: scale(1.6);
    margin-right: 0.27%;
    margin-bottom: 2%;
}
.lernsets_normal{
    margin-top: 2%;
}
.lernsets_input_label{
    margin-top: 1%;
}
.lernsets_input_line{
    margin-top: 0.4%;
    margin-left: 0.4%;
    border: 4px solid #000000;
    background-color: #1b1e28;
}

/* g21m_lernen */
.learn_error_message{
    text-align: center;
    color: #ff0000;
}
.learn_input_field{
    background-color: #242424;
    border-color: #999999;
    color: #ffffff;
    font-size: 96%;
}
.learn_input_submit{
    display: inline-block;
    margin: 6px;
    line-height: 1.42;
    padding: 0.2em 0.4em;
    font-weight: normal;
    border-width: 2px;
    border-style: solid;
    background: transparent;
    border-radius: 1.46em;
    cursor: pointer;
    vertical-align: bottom;
    position: relative;
    overflow: hidden;
    transition: background-color 0.2s, color 0.2s;
    color: #0B44EF;
    border-color: #0B44EF;
    font-size: 128%;
}
.learn_input_submit:hover {
    color: #E6EAEF;
    background-color: #0B44EF;
}
.learn_input_submit:active {
    background-color: #0a40e0;
}
.learn_input_submit:active::after {
    background-color: #0a40e0;
}
.learn_input_submit::after {
    background-color: #0B44EF;
}
.learn_correct_button {
    text-decoration: none;
    display: inline-block;
    margin: 6px;
    line-height: 1.42;
    padding: 0.4em 0.8em;
    font-weight: normal;
    border-width: 2px;
    border-style: solid;
    background: transparent;
    border-radius: 1.46em;
    cursor: pointer;
    vertical-align: bottom;
    position: relative;
    overflow: hidden;
    transition: background-color 0.2s, color 0.2s;
    color: #52C11F;
    border-color: #52C11F;
    font-size: 1em;
}
.learn_correct_button:hover {
    color: #E6EAEF;
    background-color: #52C11F;
}
.learn_correct_button:active {
    background-color: #4cb41d;
}
.learn_correct_button:active::after {
    background-color: #4cb41d;
}
.learn_correct_button::after {
    background-color: #52C11F;
}
.learn_wrong_button {
    text-decoration: none;
    display: inline-block;
    margin: 6px;
    line-height: 1.42;
    padding: 0.4em 0.8em;
    font-weight: normal;
    border-width: 2px;
    border-style: solid;
    background: transparent;
    border-radius: 1.46em;
    cursor: pointer;
    vertical-align: bottom;
    position: relative;
    overflow: hidden;
    transition: background-color 0.2s, color 0.2s;
    color: #FF006A;
    border-color: #FF006A;
    font-size: 1em;
}
.learn_wrong_button:hover {
    color: #E6EAEF;
    background-color: #FF006A;
}
.learn_wrong_button:active {
    background-color: f00064;
}
.learn_wrong_button:active::after {
    background-color: f00064;
}
.learn_wrong_button::after {
    background-color: #FF006A;
}
#learn_div_exercise #learn_div_result #learn_div_loading{
    text-align: center;
}

/* zitateliste */
.zitateliste_search-input{
    background-color: #14161e;
    border-color: #999999;
    color: #ffffff;
    width: 8em;
    font-size: 96%;
    text-align: left;
}
.zitateliste_main-element{
    border-color: #ffffff;
    border-style: solid;
    border-width: 1px 0;
    padding: 0.5em;
    margin: 0;
    width: fit-content;
}
.zitateliste_main-element-text{
    margin: 0;
}

/* control panel*/
.controlpanel-action_table-element{
    margin: 0;
    border: 3px solid #000000;
}