@font-face {
    font-family: 'FF Providence Sans';
    src: url('FFProvidenceSansRegular.woff2') format('woff2'),  /* Modern browsers */
         url('FFProvidenceSansRegular.woff') format('woff');    /* Fallback */
    font-weight: normal;
    font-style: normal;
    font-display: swap; /* Tránh FOIT - flash of invisible text */
}

@font-face {
    font-family: 'FF Providence Sans';
    src: url('FFProvidenceSansBold.woff2') format('woff2'),
         url('FFProvidenceSansBold.woff') format('woff');
    font-weight: bold;
    font-style: normal;
    font-display: swap;