@font-face {
  font-family: 'Helvetica Neue';
  font-style: light;
  font-weight: 200;
  src: url('Helvetica-200.TTF') format('truetype');
}
/* cyrillic */
@font-face {
  font-family: 'Helvetica Neue';
  font-style: normal;
  font-weight: 400;
  src: url('Helvetica-500.TTF') format('truetype');
}
/* greek-ext */
@font-face {
  font-family: 'Helvetica Neue';
  font-style: bold;
  font-weight: 600;
  src: url('Helvetica-700.otf') format('opentype');
}