@font-face {
   font-family: '700';
   font-display: swap;
   src: url('700/font.ttf');
}
@font-face {
   font-family: '600';
   font-display: swap;
   src: url('600/font.ttf');
}
@font-face {
   font-family: '300';
   font-display: swap;
   src: url('300/font.ttf');
}