:root {
    --brand-yellow-light: #FFF3B0;
    --brand-yellow-strong: #E0A800;
    --brand-black: #000000;
    --brand-dark: #111111;
}

/* Base */
body {
    background-color: var(--brand-yellow-light);
    color: var(--brand-dark);
}

/* Buttons */
.btn-primary,
.btn-dark,
button {
    background-color: var(--brand-black) !important;
    color: #fff !important;
    border: none;
}

.btn-primary:hover,
.btn-dark:hover,
button:hover {
    background-color: var(--brand-yellow-strong) !important;
    color: #000 !important;
}