@font-face
{
    font-family: 'Ptgul-Yakumo Math';
  src: url('Ptgul-Yakumo Math.eot');
  src: url('Ptgul-Yakumo Math.eot?#') format('embedded-opentype'),
      url('Ptgul-Yakumo Math.woff') format('woff'),
      url('Ptgul-Yakumo Math.ttf') format('truetype');
}