body {
}

.wrapper {
    max-width: 1920px;
    margin: 0 auto;
}

#promo {
    background: #264fb4;
    height: 800px;
}

.promo-container {
    height: 800px;
    /* https://pixabay.com/en/cyber-security-online-computer-2296269/, CC0 Creative Commons */
    background: url("../img/promo.png") 50% 200px no-repeat;
}

.promo-title {
    font-size: 2rem;
    font-weight: normal;
    max-width: 360px;
    color: #f0f0f0;
}

.promo-description {
    font-size: 1.1rem;
    color: #f0f0f0;
}

#contacts {
    background: #f5f4f4;
}

.contacts-container {
}

.contacts-card {
    border-top: 4px solid #264fb4;
    border-bottom: 4px solid #264fb4;
}

footer {
    color: #fff;
    background: #1f1f1f;
    padding-top: 30px;
    padding-bottom: 10px;
}