.our-services-container {
    background-image: url(img/our-services/bg-top.png),
        url(img/our-services/bg-center.png), url(img/our-services/bg-bottom.png);
    background-repeat: no-repeat;
    background-size: auto 400px, auto 800px, auto 800px;
    background-position: right -40px top -100px, -40px center,
        right -40px bottom;
}

@media (max-width: 768px) {
    .our-services-container {
        background-image: url(img/our-services/bg-top.png),
            url(img/our-services/bg-bottom.png);
        background-repeat: no-repeat;
        background-size: auto 200px, auto 600px;
        background-position: right -150px top -100px, right -40px bottom;
    }
}