@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 300;
  src: url(#); /* IE9 Compat Modes */
  src: url(#) format('embedded-opentype'), /* IE6-IE8 */
       url(#) format('woff2'), /* Super Modern Browsers */
       url(#) format('woff'), /* Modern Browsers */
       url('/fonts/Open_Sans/light.ttf') format('truetype'); /* Safari, Android, iOS */
}

@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 400;
  src: url(#); /* IE9 Compat Modes */
  src: url(#) format('embedded-opentype'), /* IE6-IE8 */
       url(#) format('woff2'), /* Super Modern Browsers */
       url(#) format('woff'), /* Modern Browsers */
       url('/fonts/Open_Sans/regular.ttf') format('truetype'); /* Safari, Android, iOS */
}

@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 700;
  src: url(#); /* IE9 Compat Modes */
  src: url(#) format('embedded-opentype'), /* IE6-IE8 */
       url(#) format('woff2'), /* Super Modern Browsers */
       url(#) format('woff'), /* Modern Browsers */
       url('/fonts/Open_Sans/bold.ttf') format('truetype'); /* Safari, Android, iOS */
}

@font-face {
  font-family: 'Open Sans';
  font-style: italic;
  font-weight: 300;
  src: url(#); /* IE9 Compat Modes */
  src: url(#) format('embedded-opentype'), /* IE6-IE8 */
       url(#) format('woff2'), /* Super Modern Browsers */
       url(#) format('woff'), /* Modern Browsers */
       url('/fonts/Open_Sans/lightitalic.ttf') format('truetype'); /* Safari, Android, iOS */
}

@font-face {
  font-family: 'Open Sans';
  font-style: italic;
  font-weight: 400;
  src: url(#); /* IE9 Compat Modes */
  src: url(#) format('embedded-opentype'), /* IE6-IE8 */
       url(#) format('woff2'), /* Super Modern Browsers */
       url(#) format('woff'), /* Modern Browsers */
       url('/fonts/Open_Sans/italic.ttf') format('truetype'); /* Safari, Android, iOS */
}

@font-face {
  font-family: 'Open Sans';
  font-style: italic;
  font-weight: 700;
  src: url(#); /* IE9 Compat Modes */
  src: url(#) format('embedded-opentype'), /* IE6-IE8 */
       url(#) format('woff2'), /* Super Modern Browsers */
       url(#) format('woff'), /* Modern Browsers */
       url('/fonts/Open_Sans/bolditalic.ttf') format('truetype'); /* Safari, Android, iOS */
}