@font-face {
  font-family: 'PT Serif';
  font-style: italic;
  font-weight: 400;
  src: url(ptserif400italic.ttf) format('truetype');
}
@font-face {
  font-family: 'PT Serif';
  font-style: italic;
  font-weight: 700;
  src: url(ptserif700italic.ttf) format('truetype');
}
@font-face {
  font-family: 'PT Serif';
  font-style: normal;
  font-weight: 400;
  src: url(ptserif400normal.ttf) format('truetype');
}
@font-face {
  font-family: 'PT Serif';
  font-style: normal;
  font-weight: 700;
  src: url(ptserif700normal.ttf) format('truetype');
}