.spacer {
    flex: 1 0 auto;
}

.bottom-bar {
    flex-shrink: 0;
    height: 3.375em;
    font-size: 1em;
    margin:auto;
    margin-top: 40px;
    width: 100%;
    background-color: #222323;
    color: #f0f6f0;
    align-content: center;
    text-align: center;
}

.back-to-top:hover {
    text-decoration: underline;
    cursor: pointer;
}

.dark-mode .bottom-bar {
    background-color: #141414;
}