.skin-treatment-powder24-fig01 {
    width: 200px;
}
.skin-treatment-powder24-fig02 {
    width: 380px;
}
.skin-treatment-powder24-fig03 {
    width: 300px;
}

@media only screen and (max-width: 640px) {
    .skin-treatment-powder24-fig01 {
        width: 50%;
    }
    .skin-treatment-powder24-fig02 {
        width: 90%;
    }
    .skin-treatment-powder24-fig03 {
        width: 60%;
    }
}