.MainMenuItem {
    font-family: Arial;
    font-size: 16px;
    text-align: left;
    color: white;
}

.SubMenuItem {
    font-family: 'Segoe UI';
    font-size: 12px;
    text-align: right;
    color: white;
}

.sidenav {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 0px;
    left: 0;
    border: 1px solid;
    overflow-x: hidden;
    color:white;
    background-color:mediumslateblue;
    transition: 0.5s;
    padding-top: 40px;
    z-index: 999999999999 !important;
}

    .sidenav a {
        text-decoration: none;
        font-size: 20px;
        color: #000000;
        display: block;
        transition: 0.3s;
    }

        .sidenav a:hover {
            background-color: gold;
        }


    .sidenav .closebtn {
        position: absolute;
        color: white;
        top: 0;
        right: 25px;
        font-size: 36px;
        margin-left: 75px;
    }