@font-face {
    font-family: Airlock;
    src: url('fonts/airlock.ttf');
}

span.md-header-nav__topic {
    font-family: Airlock;
}
article ul ul {
    list-style-type:  circle !important;
}

article ul ul ul {
    list-style-type:  square !important;
}

.nextWrapper {
    position: relative;
    /*padding-bottom: 56.25%; /* 16:9 */
    /*padding-bottom: 69.325%;*/
    padding-bottom: 100%;
    padding-top: 25px;
    height: 100%;
}
.nextWrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

@media screen and (min-width: 76.25em){
    [data-md-color-primary=white] .md-tabs {
        /*border-bottom:none;*/
    }
}
.md-header__topic .md-ellipsis {
    display: none;
}
.md-header {
    box-shadow: 0 0 .2rem #0000001a, 0 .2rem .4rem #0003;
    transition: transform .25s cubic-bezier(.1, .7, .1, 1), box-shadow .25s;
}
@media screen and (max-width: 1219px) {
    .md-header__title .md-header__ellipsis .md-header__topic {
        margin-top: 5px ;
        background: url("../img/logo/VirtualLab.png") no-repeat;
        width: 135px;
        height: 40px;
        background-size: contain;

    }
    .md-header__button:not([hidden]){
        display: none;
    }
}
.md-nav__list{
    margin: 50px 0;
}
.md-nav__title{
    display: none;
}

.md-main{
    display: none;
}
.md-icon{
    display: none;
}
.md-search{
    display: none;
}
.md-tabs{
    background: white;
}
.md-tabs[hidden] .md-tabs__link{
    opacity: 100;
    transform: unset;
}
.md-tabs[hidden] {
    pointer-events: unset;
}
.custom-bar {
    display: flex;
    justify-content: center;
    text-align: center;
    font-size: 16px;
    gap: 15px;
    position: fixed;
    top: 45vh;
    right:0;
    flex-direction: column;
    z-index: 9;
}
.custom-bar div {
    border-radius: 5px 0 0 5px;
    padding: 10px;
    background-color: #f5f7ff;
    color: #333;
    box-shadow: 0 3px 8px #00000030;
}
.custom-bar div:hover{
    background: #ffffff;
}

.custom-bar a {
    height: 100%;
    display: flex;
    align-items: center;
    margin-left: 5px;
    color: #5865F2;
}