.footer{
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 0;
    width: 100%;
    height: 3em;
    background-color: black;
    text-align: center;
    bottom: 0;
}

.f_txt{
    color: white;
    font-family: 'Montserrat', sans-serif;
    margin: 0;
}

.div_txt{   
    height: 3em;
    line-height: 3em;
    margin: 0;
}