.scroll-to-top {
    position: fixed;
    bottom: 10px;
    right: 10px;
    display: none; /* Изначально скрыта */
    width: 100px;
    height: 100px;
    z-index: 1000;
    cursor: pointer;
    transition: opacity 0.3s;
}

.scroll-to-top img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    -webkit-filter: drop-shadow(1px 3px 1.5px #555);
}