footer {
    background-color: #102940;
    padding: 60px 100px;
    color: white;
    margin-top: auto;
}

footer .optimal-width {
    display: flex;
    justify-content: space-between;
}

footer a {
    color: white;
}

footer .optimal-width div {
    display: flex;
    flex-direction: column;
    width: fit-content;
}

footer div * {
    margin-bottom: 10px;
}

footer svg {
    fill: white;
    height: 40px;
    width: 40px
}


/* Media queries */

@media screen and (max-width: 992px) {
    footer {
        padding: 50px 20px;
    }

    footer .optimal-width {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-row-gap: 30px;
        grid-column-gap: 30px;
    }

}

@media screen and (max-width: 650px) {
    footer .optimal-width {
        display: grid;
        grid-template-columns: repeat(1, 1fr);
        grid-row-gap: 20px;
        grid-column-gap: 20px;
    }
}