@font-face {
  font-family: 'PT Serif';
  font-style: normal;
  font-weight: 700;
  src: local('PT Serif Bold'), local('PTSerif-Bold'), url(http://fonts.gstatic.com/s/ptserif/v9/QABk9IxT-LFTJ_dQzv7xpJ0EAVxt0G0biEntp43Qt6E.ttf) format('truetype');
}