.wp-admin p.um-nav-roles {
  display: none;
  margin-top: 5px;
}
.wp-admin p.um-nav-roles label {
  margin-top: 2px !important;
  margin-bottom: 2px !important;
}
.wp-admin p.um-nav-roles label input[type=checkbox] {
  margin-top: 2px !important;
}
.wp-admin p.um-nav-mode {
  margin-top: 10px;
}