.footer_container {
    padding:2em;
    padding-bottom:5em;
    background-color: #000000;
}

.footer_container > img {
    height:52px;
}

@media only screen and (max-width: 520px) {
    .footer_container {
        padding-bottom:2em;
    }

    .footer_container > img {
        height:9.7vw;
    }
}