.informational-overlays {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 102;

    opacity: 0;
    pointer-events: none;

    background-color: rgba(0,0,0,0.8);
    transition: all 0.3s ease;
}

.informational-overlays.show {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.informational-overlays .overlay-content {
    /* because zoom breaks at 525px perhaps due to rounding errors, so add a
       trivial amount of width so it doesn't break. */
    width: 550px;
    margin: 0 auto;
    position: relative;
    top: calc((30vh - 50px) / 2);
    border-radius: 4px;
    overflow: hidden;

    background-color: #fff;
}

.informational-overlays .overlay-tabs {
    padding: 10px 0px;
    border-bottom: 1px solid #eee;
}

.informational-overlays .overlay-tabs .tab-switcher {
    margin-left: 15px ;
}

.informational-overlays .overlay-tabs .exit {
    float: right;
    font-size: 1.8em;
    color: #aaa;
    font-weight: 600;
    margin: 1px 15px;
}

.informational-overlays .overlay-modal {
    padding-bottom: 10px;
}

.informational-overlays .overlay-modal .modal-body {
    height: 70vh;
    text-align: center;
}

.informational-overlays .overlay-modal .modal-header h3 {
    font-weight: 300;
}

.informational-overlays .overlay-modal .modal-body th {
    font-weight: 400;
}

.informational-overlays td.operator {
    font-size: 0.9em;
}