body::after {
    content: "";
    position: fixed;
    background-image: url(/assets/images/santa1.png);
    bottom: 0px;
    width: 60%;
    height: 85px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position-y: 100%;
    margin-left: calc(50% - 150px);
}

#body_footer_bottom {
    padding-bottom: 70px !important;
}

@media (min-width: 576px) {
    #body_footer_bottom {
        padding-bottom: 80px !important;
    }

    body::after {
        width: 42% !important;
        margin-left: calc(50% - 200px) !important;
    }
}

@media (min-width: 992px) {
    #body_footer_bottom {
        padding-bottom: 15px !important;
    }

    body::after {
        width: 20% !important;
        height: 150px !important;
        margin-left: calc(50% - 200px) !important;
    }
}