.background {
    position: relative;
    top: 50px;
    left: 25%;
    width: 50%;
    height: 50%;
    object-fit: cover;
    z-index: -1;
}

.background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

@media only screen and (max-width: 798px) {
    .background {
        position: relative;
        top: 150px;
        left: 25%;
        width: 50%;
        height: 50%;
        object-fit: cover;
        z-index: -1;
    }
    
    .background-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: -2;
    }
}