.footer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #2454a4;
    color: #fff;
    display: flex;
    justify-content: space-between;
    padding: 20px;
    box-sizing: border-box;
    clear: both;
}

.footer .column {
    flex: 1;
    padding: 0 10px;
    box-sizing: border-box;
}

.footer .column img {
    max-width: 100%;
    height: auto;
}

.footer .column h3 {
    font-size: 16px;
}

.footer .column ul {
    list-style: none;
    padding: 0;
}

.footer .column ul li {
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .footer {
        flex-wrap: wrap;
        text-align: center;
    }
    .footer .column {
        flex: 1 0 100%;
        margin-bottom: 10px;
    }
}