.bg-image {
    background: url('../img/kaluga.png');
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    filter: grayscale(100%) contrast(130%) brightness(90%);
}

.kaluga {
    padding: 200px 100px 0;
}

.genpass-slider { 
    position: relative; 
    z-index: 20; 
    margin: 40px auto 80px; 
    max-width: 1100px; 
    padding: 0 20px; 
    display: flex;
    align-items: center;
    min-height: 60vh;
}

.genpass-slider__image {
    display: flex;
    max-height: 410px;
    max-width: 290px;
    margin: 0 auto;
    align-self: center;
}



@media (max-width: 780px) {
    .bg-image {
        max-width: 100vw;
        object-fit: cover;
        background-size: cover;
        background-position: center center;
        background-repeat: no-repeat;
    }
    .kaluga {
        padding: 100px 0 0;
    }
}