:root {
    --bs-body-bg: #000;
    --bs-border-color: #ffffff;
}

.btn.btn-dark {
    --bs-btn-bg: black;
    --bs-btn-border-color: black;
}

.btn.btn-dark:hover {
    /*--bs-btn-hover-bg: black;*/
    --bs-btn-hover-bg: #121212;
    /*--bs-btn-hover-border-color: black;*/
    --bs-btn-hover-border-color: #373b3e;
}

.btn.btn-outline-dark {
    --bs-btn-hover-bg: black;
    --bs-btn-hover-border-color: black;
}

.btn.btn-outline-dark.active {
    --bs-btn-active-bg: black;
    --bs-btn-active-border-color: black;
}