@font-face {
  font-family: "Karrik";
  src: url("fonts/Karrik-Regular.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: "Avara";
  src: url("fonts/Avara-Bold.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
}

html, body {
  font-family: "Karrik", sans-serif;
  /* autres styles... */
}

header {
  font-family: "Avara", sans-serif;
  /* autres styles... */
}