:root {
  --bs-primary: #ff0000;   /* red */
  --bs-dark: #000000;      /* black */
  --bs-light: #111111;
  --bs-body-bg: #000000;
  --bs-body-color: #ff0000;
}

body {
  background-color: var(--bs-body-bg) !important;
  color: var(--bs-body-color) !important;
}

/* Example: buttons */
.btn-primary {
  background-color: #ff0000 !important;
  border-color: #ff0000 !important;
}

.btn-dark {
  background-color: #000000 !important;
  border-color: #000000 !important;
}

/* Navbar */
.navbar {
  background-color: #000 !important;
}
.navbar .navbar-brand,
.navbar .nav-link {
  color: #FFF !important;
}