#scroll-top-bubble {
    position: fixed;
    right: 20px;
    border-radius: 50%;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9999;
    transition: transform 0.3s ease, opacity 0.3s ease;
    animation: pulse 2s infinite;
}

#scroll-top-bubble span {
    font-size: 24px;
    color: #000000;
}

#scroll-top-bubble:hover {
    transform: scale(1.1);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}