@font-face {
    font-family: 'HelveticaNeueLTPro23UltraLightExtended';
    src: url('helveticaneueltpro-ultltex.eot');
    src: url('helveticaneueltpro-ultltex.eot') format('embedded-opentype'),
         url('helveticaneueltpro-ultltex.woff') format('woff'),
         url('helveticaneueltpro-ultltex.ttf') format('truetype'),
         url('helveticaneueltpro-ultltex.svg#HelveticaNeueLTPro23UltraLightExtended') format('svg');
}
