.rightsidenavBtn {
    display: block;
    height: auto;
    padding: 1%;
    position: fixed;
    z-index: 199;
    top: 0;
    right: 2%;
    margin-top: 2%;
    background-color: yellow;
    font-size: 30px;
    cursor: pointer;
}

.rightsidenavBtn:hover {
    color: coral;
}

.sidenav {
    display: none;
    height: 100%;
    width: 25%;
    position: fixed;
    z-index: 200;
    top: 0;
    right: 0;
    background-color: yellow;
    overflow-x: hidden;
    padding-top: 60px;
}

.sidenav a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    color: black;
    font-size: 25px;
    display: block;
}

.sidenav a:hover {
    color: coral;
}

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

@media screen and (max-height: 450px) {
    .sidenav {
        padding-top: 15px;
    }
    .sidenav a {
        font-size: 18px;
    }
}