div.schedule-invisible {
    display: none;
}

div.schedule-visible {
    z-index: 2001;
    display: block;
    position: fixed;
    right: 0;
    text-align: center;
    padding: 5px;
    background: gray;
    opacity: 0.8;
}

div.schedule-visible div {
    margin-top: 25%;
    opacity: 1;
}