.sidenav {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 10;
    top: 0;
    left: 0;
    background-color: rgb(204, 199, 186);
    overflow-x: hidden;
    transition: 0.8s;
    padding-top: 60px;
}

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

.sidenav a:hover {
    color: white;
}

.sidenav .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
    margin-left: 50px;
}

#main {
    transition: margin-left .5s;
    padding: 16px;
}

@media screen and (max-height: 450px) {
    .sidenav {
        padding-top: 15px;
    }

    .sidenav a {
        font-size: 18px;
    }
}

#closeBtn {
    position: fixed;
    visibility: hidden;
    margin: 1% 0% 0% 2%;
    font-size: 50px;
    color: rgba(236, 196, 76, 1);
    z-index: 100;
}

#openBtn {
    position: fixed;
    visibility: visible;
    margin: 2% 0% 0% 2%;
    color: rgba(236, 196, 76, 1);
    font-family: 'Lato', sans-serif;
    font-weight: 400;
    z-index: 100;
}

#mySidenav > a {
    line-height: 53px;
    font-size: 23px;
}