.prototype-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(100, 100, 100, 0.5);
}

.popup {
    /*display: none;*/
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.33);
}

.popup .popup-content {
    background: white;
    border: 2px solid #445;
    border-radius: 1em;
    margin: 6% 12%;
    max-height: 75%;
    overflow: auto;
    box-shadow: 0 1em 2em rgba(0, 0, 0, 0.5);
    padding-bottom: 1.2em;
    -webkit-overflow-scrolling: touch;
}

.popup h3 {
    margin: 0 0 0.5em 0;
    padding: 0.4em 0.6em;
    text-align: center;
    background: #eee;
    border-bottom: 1px solid #444;
}

.popup .credits {
    margin: 1ex 1.6em;
    padding-bottom: 1ex;
}

.popup .credits .logo {
    float: left;
    margin-right: 1em;
}

.popup .credits .text {
    overflow: hidden; /* prevents float at left from creating ragged edge */
}

.popup .version {
    margin: 1em 1.6em;
}

.popup .credits button {
    display: table;
    margin: 0 auto;
    margin-top: 10px;
}

.popup .version p {
}