#footer-div {
    height:10vh;
}
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    background-color: #cfcfcf;
    padding: 1rem;
    max-height: 10vh;
    font-size: 3vh;
}

#fi-button {
    background: url("/static/img/fi.png") no-repeat;
    background-size: cover;
}

#en-button {
    background: url("/static/img/en.png") no-repeat;
    background-size: cover;
}

.lang-button {
    height: 4vh;
    width: 6vh;
    margin-left: 1vh;
    margin-right: 1vh;
}