.njg-hidden {
    display: none !important;
    visibility: hidden !important;
}

.njg-tooltip{
    font-family: sans-serif;
    font-size: 10px;
    fill: #000;
    opacity: 0.5;
    text-anchor: middle;
}

.njg-overlay{
    display: none;
    position: absolute;
    z-index: 11;
}

.njg-close{
    cursor: pointer;
    position: absolute;
    right: 10px;
    top: 10px;
}
.njg-close:before { content: "\2716"; }

.njg-metadata{
    display: none;
    position: absolute;
    z-index: 12;
}

.njg-node{ cursor: pointer }
.njg-link{ cursor: pointer }

#njg-select-group {
    text-align: center;
    box-shadow: 0 0 10px #ccc;
    position: fixed;
    left: 50%;
    top: 50%;
    width: 50%;
    margin-top: -7.5em;
    margin-left: -25%;
    padding: 5em 2em;
}

#njg-select-group select {
    font-size: 2em;
    padding: 10px 15px;
    width: 50%;
    cursor: pointer;
}

#njg-select-group option {
    padding: 0.5em;
}

#njg-select-group option[value=""] {
    color: #aaa;
}