/* Back to Top Button Styles */
#back-to-top-btn {
    width: 60px;
    height: 60px;
    background-color: #2C2C2C;
    border-radius: 50%;
    border: 7px double silver;
    z-index: 999;
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    display: flex; /* Ensures flexbox works */
    transition: transform 0.1s ease-in-out; /* Smooth rotation transition */
}

/* Hover effect */
#back-to-top-btn:hover {
    background-color: #005bb5;
}

/* Spinner appearance */
#back-to-top-btn::before {
    content: '';
    width: 30px;
    height: 30px;
    border: 5px solid #fff;
    border-radius: 50%;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}