.fsb-3239-container {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
}

.fsb-3239-link {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #333;
    margin-bottom: 2px;
    text-decoration: none;
    transition: background-color 0.3s, color 0.3s;
}

.fsb-3239-facebook { background-color: #3b5998; }
.fsb-3239-twitter { background-color: #1da1f2; }
.fsb-3239-linkedin { background-color: #0077b5; }
.fsb-3239-instagram { background-color: #e1306c; }

.fsb-3239-animate {
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.fsb-3239-animate.fsb-3239-visible {
    opacity: 1;
}