.popup-container {
    position: absolute;
    top: 0px;
    left: 0px;
    height: 100%;
    width: 100%;
}

.popup {
    background-color: #636569;
    border: 5px solid black;
    z-index: 3;
}

.game-result, .download-opening-book {
    display: none;
}

.game-result {
    background-color: rgba(99, 101, 105, 0.5);
}

.game-result-text {
    margin-bottom: 10%;
}

.engine-level, .game-result-text, .download-opening-book-text {
    text-shadow: 1px 1px 1px #000000;
}

.slider {
    margin-top: 5%;
    width: 50%;
}

.opening-book {
    margin-top: 5%;
}

.maximum-depth {
    margin-top: 5%;
    margin-bottom: 10%;
}

.save-position-button {
    margin-left: 5%;
}