node_modules/@covalent/core/user-profile/_user-profile-theme.scss

@mixin covalent-user-profile-theme($theme, $config: null) {
  @include td-user-profile-typography($config);
  @include td-user-profile-theme($theme);
}

@mixin td-user-profile-typography($config: null) {
  @if $config == null {
    $config: td-typography-config();
  }

  td-user-profile-menu {
    .mat-list-base .mat-list-item .mat-line:nth-child(n + 2) {
      @include mat-typography-level-to-styles($config, caption);
    }
  }
}

@mixin td-user-profile-theme($theme) {
  $foreground: map-get($theme, foreground);
  $secondary-text: map-get($foreground, secondary-text);

  td-user-profile-menu {
    .mat-list-base .mat-list-item .mat-line:nth-child(n + 2) {
      color: $secondary-text;
    }
  }
}