div#verticalNav {
    position: fixed;
    top: 55%;
    right: 15px;
    margin-top: -100px;
    margin-left: -100px;
    z-index: 1000;
}

.disc {
    width: 8px;
    height: 8px;
    border: 1px solid #5F57A1;
    background: #5F57A1;
    border-radius: 50%;
    margin: 0 16px 18px 16px;
    cursor: pointer;
}

.disc:hover {
    width: 12px;
    height: 12px;
    margin: 0 14px 14px 14px;
}

.act {
    background: #FFF;
}

.disc .tooltiptext {
    visibility: hidden;
    min-width: 100px;
    font-size: 13px;
    color: #000;
    text-align: center;
    margin-top: -5px;
    /* Position the tooltip */
    position: absolute;
    right: 30px;
    text-align: right;
    background-color: rgba(255,255,255,0.5);
    padding: 2px 10px;
    white-space: nowrap;
}

.disc:hover .tooltiptext {
    visibility: visible;
}


@media only screen and (max-width: 1440px) {
/*    .disc .tooltiptext {
        color: #fff;
        text-shadow: 1px 1px 1px #000;
    }*/
}

@media only screen and (max-width: 768px) {
    div#verticalNav {
        display: none;
    }
}