#promo-video {
    width: 100%;        /* standaard: mobiel 100% */
    max-width: 100vw;
}

@media (min-width: 768px) {
    #promo-video {
        width: 50vw;    /* vanaf tablet/desktop: 50% van scherm */
    }
}

body {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
}

.mkother  {
    max-width: 1140px;
    margin: 0 auto;
    padding: 1rem;
}

.navbar-brand img {
    height: 60px;
    width: auto;
}
.navbar-lg {
    padding-top: 1rem;
    padding-bottom: 1rem;
}