helix-front/client/app/history/history-list/history-list.component.scss

// Import theming functions
@import '~@angular/material/theming';
// Import custom theme
@import 'client/theme.scss';

hi-history-list {
  .current {
    color: mat-color($hi-primary);
  }

  .mat-icon {
    @include md-icon-size(20px);
  }
}