@font-face {
  font-family: 'MonumentExtended';
  src: url('fonts-custom/MonumentExtended-Regular.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'MonumentExtended';
  src: url('fonts-custom/MonumentExtended-Ultrabold.otf') format('opentype');
  font-weight: 800;
  font-style: normal;
}

/* Ví dụ áp dụng font cho toàn trang */