.header-bar {
    position: fixed;
    top: 10px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 1000;
}

.back-link {
    color: #1976d2;
    font-size: 18px;
    text-decoration: none;
    font-weight: bold;
}

.back-link:hover {
    text-decoration: underline;
    color: #0d47a1;
}