@media (max-width: 960px) {
    footer {
        height: auto;
    }

    #first_footer {
        height: auto;
        position: relative;
        display: flex;
        flex-direction: column-reverse;
    }

    #first_footer div {
        width: 90%;
        max-width: 300px;
        padding: 15px;
        transition: all 0.5s;
    }

    #footer_useful_links {
        width: 90%;
        max-width: 300px;
        margin-bottom: 40px;
    }

    #copyrights div {
        padding: 8px;
    }

    #copyrights #design {
        font-size: 16px;
    }
}