mat-sidenav {
    padding: 20px;
    min-width: 30vw;
    max-width: 70vw;
}

mat-sidenav ul {
    list-style-type: none;
}

mat-sidenav li {
    margin: 20px;
}

mat-sidenav-container {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

#sidenavbutton {
    writing-mode: vertical-lr;
    text-orientation: upright;
    float: left;
    position: fixed;
    z-index: 2;
}

@media (max-width: 500px) {
    #sidenavbutton {
        writing-mode: unset;
    }
}