@font-face {
  font-family: 'Open Sans';
  src: local('Open Sans'), 
  url('OpenSans-Regular.ttf') format('truetype'),
  font-weight: normal;
  font-style: normal;
}


@font-face {
  font-family: 'Open Sans';
  src: local('Open Sans Italic'), 
  url('OpenSans-Italic.ttf') format('truetype'),
  font-weight: normal;
  font-style: italic;
}

@font-face {
  font-family: 'Open Sans';
  src: local('Open Sans Bold'), 
  url('OpenSans-Bold.ttf') format('truetype'),
  font-weight: bold;
  font-style: normal;
}

@font-face {
  font-family: 'Open Sans';
  src: local('Open Sans Bold Italic'), 
  url('OpenSans-BoldItalic.ttf') format('truetype'),
  font-weight: bold;
  font-style: italic;
}