@font-face {
   font-family: 'regular';
   font-display: swap;
   src: url('regular/font.ttf');
}
@font-face {
   font-family: '300';
   font-display: swap;
   src: url('300/font.ttf');
}
@font-face {
   font-family: '200';
   font-display: swap;
   src: url('200/font.ttf');
}