.parallax-images {
    position: relative;
}

.parallax-images__first {
    position: relative;
    z-index: 1;
    width: 60%;
    height: auto;
    background: #F8F8F8;
    overflow: hidden;
}

.parallax-images__first::after {
    content: '';
    display: block;
    padding-top: 130%;
}

.parallax-images__first > img,
.parallax-images__second > img {
    position: absolute;
    top: 0; 
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.parallax-images__second {
    position: absolute;
    z-index: 2;
    top: 90%;
    left: 50%;
    width: 220px;
    box-shadow: 0 0 30px rgba(0,0,0,0.15);
}

.parallax-images__second::after {
    content: '';
    display: block;
    padding-top: 100%;
}

@media ( max-width: 1280px ) {
    .parallax-images__first {
        width: 70%;
    }
}

@media ( max-width: 960px ) {
    .parallax-images {
        width: 75%;
        margin: 32px auto 115px!important;
    }

    .parallax-images__second { 
        width: 220px;
        top: calc(100%-140px)
    }
}

@media ( max-width:620px ) {
    .parallax-images {
        width: 100%;
    }

    .parallax-images__second { 
        width: 130px;
        top: calc(100%-140px)
    }
}