body {
    background-color: aliceblue;
}

#message {
    z-index: 100;
    position: absolute;
    top:0;
    left:0;
    width: 100%;
    height: 100px;
    display: none;
    background-color: #0dcaf0;
    opacity: 70%;
    color: #000;
    font-size: 20pt;
    text-align: center;
    margin-top: 100px;
}
.navbar {
    background-color: navy;
    height: auto;
}

.navbar-brand {
    font-weight: bold;
    font-size: 20pt;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgb(255, 255, 255)
}

dropdown-menu,
show {
    background-color: #EEEEEE;
}

main {
    height: auto;
    min-height: 85.5vh;
    background-color: aliceblue;
    margin-top: 10vh;
}

.mn {
    margin-bottom: 90px;
    height: 80vh;
}

#tasks {
    overflow-y: scroll;
    height: 70vh;
}

#tasks::-webkit-scrollbar {
    width: 0px;

}

.liti,
#litiup,
#litidn {
    display: list-item;
    font-weight: bold;
    list-style-type: none;
    margin: 0 auto;
    margin-bottom: 10px;
    width: 30px;
    border: 1px transparent solid;
    border-radius: 6px;
    cursor: pointer;
    padding: 6px;
    font-size: 12pt;
    box-shadow: 0 2px 6px rgb(0 0 0 / 15%);
    text-align: center;
    font-size: 14px;
}

#litiup,
#litidn {
    background-color: navy;
    color: #FFF;
}

#tii {
    background-color: navy;
    color: #FFF;
}

.liti {
    color: black;
    background-color: antiquewhite;
}

#taskfield {
    overflow-y: scroll;
}

.task-content {
    margin: 10px 50px;
    height: auto
}

.slide,
.file,
.ansmany,
.ansone {
    background-color: #FFF;
}

.slide p {
    font-size: 14pt;
    -ms-user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    user-select: none;
}
.tsk {
    overflow-y: scroll;
    max-height: 70vh;
}
.file ul li {
    list-style-type: none;
}

.file ul li a:link {
    color: black;
}
.course_list {
    list-style-type: none;
}
input {
    margin: 0;
    width: 150px;
}

table.showresult {
    text-align: center;


}
.ansmany p {
    margin: 1px 0;
}
.addtest input
{width: 100px}
footer {
    background-color: navy;
    height: auto;
    min-height: 4.5vh;
    width: 100%;
}

p.footer {
    color: #FFF;
    margin: 10px;
}

#parent_email {
    display: block;
}
form.usr input {
    margin: 0 20px;
}
#users_table {
    height: auto;
    border: 2px double black;
    border-collapse: collapse;
}
#users_table td {
    height: auto;
    border: 2px double black;
    border-collapse: collapse;
}
@media only screen and (min-width: 220px) and (max-width: 1000px) {
    .navbar-brand {
        font-size: 12pt;
    }

    .mn {
        height: auto;
        margin-bottom: 0;
    }

    #tasks {
        height: 100px;


    }

    #tasks ul li {
        display: inline;

    }

    .task-content {
        margin: 0;
        height: auto
    }

    #topliti {
        display: none;
    }
    .liti {
        padding: 3px;
     }
     .liti span {
         font-size: 18px;
         padding: 2px;
     }
    #bottomliti {
        display: none;
    }

    .slide p {
        font-size: 10pt;
    }

    .fm input,
    span {
        font-size: 8pt;

    }
   
    footer {
        position: relative;
        font-size: 8pt;
        display: none;

    }

}

@media only screen and (min-width: 1001px) and (max-width: 1200px) {
    .navbar-brand {
        font-size: 12pt;
    }

    .mn {
        margin-bottom: 0;
    }

    #tasks {
        height: 65vh;


    }

    .task-content {
        margin: 0;
        height: auto
    }

    
    .slide p {
        font-size: 6pt;
    }

    .fm input,
    span {
        font-size: 8pt;

    }

    footer {
        position: relative;
        font-size: 8pt;

    }
}