.background_img {
    /* background-image: url("../img/body_background.png"); */
    /* background-image: url("../img/supermarket_23.jpg"); */
    /* background-image: url("../img/grass1.png"); */
    background-image: url("../img/3.2.1.jpg");
    background-size: 100% 100%;
    background-repeat: no-repeat;
}
.lockscreen_bg_img {
    /* background-image: url("../img/grass1.png"); */
    background-image: url("../img/3.2.2.jpg");
    background-size: 100% 100%;
    background-repeat: no-repeat;
}