.promo {
    background: url("servers.jpg") center center;
    min-height: 500px;
    width: 100%;
    text-align: center;
    opacity: 0.86;
}

.promo h1 {
    color: #fcfcfc;
    font-size: 70px;
    font-weight: 300;
    padding-top: 100px;
}

#btn-redirect {
    font-size: 20px;
    line-height: 1.5;
    border-radius: 0.58rem;
}

.btn-light {
    background-color: #95ff00;
    border-color: #95ff00;
}

.description h2 {
    font-size: 40px;
}

.additional-back {
    background-color: black;
    opacity: 0.8;
    min-height: 500px;
}