.S02imageSubHolder {
        position: relative;
        width: 100%;
        padding-bottom: 100%;
    }

    .S02imageSub {
        position: absolute;
    }

    .S02imageSub1 {
        left: 0%;
        top: 15%;
        width: 35%;
        height: 70%;
    }

    .S02imageSub2 {
        left: 33.3%;
        top: 10%;
        width: 35%;
        height: 70%;
    }

    .S02imageSub3 {
        left: 66.6%;
        top: 15%;
     width: 35%;
        height: 70%;
    }
    .S02imageSub4 {
      top:80%;
        width: 100%;
        height: auto;
    }