@font-face {
  font-family: 'PopperSans';
  font-weight: 700;
  src:  url('../fonts/popper/Popper-Sans.woff2') format('woff2'),
        url('../fonts/popper/Popper-Sans.woff') format('woff');
}

@font-face {
  font-family: 'PopperSerif';
  font-weight: 700;
  src:  url('../fonts/popper/Popper-Serif.woff2') format('woff2'),
        url('../fonts/popper/Popper-Serif.woff') format('woff');
}