@font-face {
   font-family: 'arial';
   font-display: swap;
   src: url('arial/font.ttf');
}
@font-face {
   font-family: 'calibrib';
   font-display: swap;
   src: url('calibrib/font.ttf');
}
@font-face {
   font-family: 'micross';
   font-display: swap;
   src: url('micross/font.ttf');
}