app/components/Navbar.css

.sidenav a{
    font-size: small;
    width: min-content;
}

.sidenav h3{
    margin-left: 10px;
}

.sidenav{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.sidenav .btn{
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    padding: 10px;
}