.footer{
    position: relative;
    width: 100%;
    height: 80px;
    background: black;
    bottom: 0;
    margin-top: 5px;
}

.div_footer{
    position: relative;
    width: 100%;
    height: 80px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-content: center;
    justify-items: center;
    align-items: center;
    bottom: 0;
}