.tlk-userbar__popup {
    border-radius: 20px;
}
.tlk-userbar__popup-courses-link, .tlk-userbar__popup-groups-link, .tlk-userbar__popup-link {
    text-decoration: underline !important;
}
a.tlk-userbar__popup-courses-link:hover, a.tlk-userbar__popup-link:hover, a.tlk-userbar__popup-groups-link:hover {
    color: #8a2be2 !important;
}