footer{
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    width:100%;
    max-width:61rem;
    height : 3.8rem;
    text-align : center;
}
footer .copyright{
    margin-bottom : 1rem;
    font-size : 0.6rem;
    color : #c0c5cc;
    padding : 0 1rem;
}