/* Back to Top Button Style */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 10px 20px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 14px;
    cursor: pointer;
    transition: opacity 0.3s;
    z-index: 9999;
}

/* Hide by Default */
.hidden {
    opacity: 0;
    visibility: hidden;
}

/* Show when Active */
.visible {
    opacity: 1;
    visibility: visible;
}