.three-column-layered-cta-grey-part {
    max-width: 1215px;
    min-height: 125%;
    position: absolute;
    left: -100px;
    z-index: -1;
    width: 100%;
    height: auto;
    top: -60px;
}

@media (max-width: 1440px) {
    .three-column-layered-cta-grey-part {
        left: -130px;
    }
}

@media (max-width: 1023px) {
    .three-column-layered-cta-grey-part {
        min-height: 120%;
    }
}

@media (max-width: 768px) {
    .three-column-layered-cta-black-part {
        max-width: 660px;
    }
    .three-column-layered-cta-grey-part {
        left: -55px;
    }
}

@media (max-width: 430px) {
    .three-column-layered-cta-black-part {
        max-width: 390px;
    }
    .three-column-layered-cta-grey-part {
        min-height: 110%;
        top: -35px;
    }
}