h1,
h2,
h3 {
    color: #800000;
}

.btn-primary {
    --bs-btn-bg: #800000;
    --bs-btn-border-color: #800000;
    --bs-btn-hover-bg: #000;
    --bs-btn-hover-border-color: #000;
    --bs-btn-active-bg: #000;
    --bs-btn-active-border-color: #000;
    --bs-btn-disabled-bg: #800000;
    --bs-btn-disabled-border-color: #800000;
}