.bg-fixed {
    background-attachment: fixed;
    background-size: cover;
}
.bg-1 {
    background-image:url("../../../files/583-memory-business/img/banner1.jpg");
    background-repeat:no-repeat;
    background-attachment: fixed;
    background-size: cover;
}
.bg-2 {
    background-image:url("../../../files/583-memory-business/img/banner4.jpg");
    background-repeat:no-repeat;
    background-attachment: fixed;
    background-size: cover;
}
.bg-3 {
    background-image:url("../../../files/583-memory-business/img/banner2.jpg");
    background-repeat:no-repeat;
    background-attachment: fixed;
    background-size: cover;
}
.bg-4 {
    background-image:url("../../../files/583-memory-business/img/banner3.jpg");
    background-repeat:no-repeat;
    background-attachment: fixed;
    background-size: cover;
}