#scrollToTopBtn {
    position: fixed;
    bottom: 2vh;
    left: 50%;
    transform: translateX(-50%);
    background: #eaebec;
    background: #32dd49;
    color: white;
    font-size: 2rem;
    padding: 0.4em 0.6em;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    display: none;
    z-index: 999;
    justify-content: center;
    align-items: center;
}

#scrollToTopBtn:hover {
    background: #0050d0;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
}

#scrollToTopBtn:active {
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.6);
}