ngx-admin/docs/app/@theme/styles/_helvetica-neue.scss

/**
 * @license
 * Copyright Akveo. All Rights Reserved.
 * Licensed under the MIT License. See License.txt in the project root for license information.
 */

$helvetica-neue-font-path: 'assets/fonts/helvetica-neue' !default;

@font-face {
  font-family: 'Helvetica Neue Bold';
  font-display: swap;
  src: url('ngx-admin/#{$helvetica-neue-font-path}/HelveticaNeue-Bold.eot');
  src: local('Helvetica Neue Bold'), local('HelveticaNeue-Bold'),
  url('ngx-admin/#{$helvetica-neue-font-path}/HelveticaNeue-Bold.eot?#iefix') format('embedded-opentype'),
  url('ngx-admin/#{$helvetica-neue-font-path}/HelveticaNeue-Bold.woff') format('woff'),
  url('ngx-admin/#{$helvetica-neue-font-path}/HelveticaNeue-Bold.ttf') format('truetype');
  font-weight: bold;
  font-style: normal;
}