.busy {
    margin: 0;
    padding: 0;
    position: relative;
    background: #666;
}

.available {
    margin: 0;
    padding: 0;
}

.busyDisplay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #666;
    color: #fff;
    text-transform: uppercase;
    font-size: 1em;
    cursor: not-allowed;
    font-weight: bold;
}

.busyDisplay svg {
    padding: 1px 3px 0 0;
}