body {
    margin: 0px;
    padding: 0px;
}

#container {
    background-color: black;
    position: relative;
    width: 800px;
    height: 600px;
}

#overlays {
    position:absolute;
    width: 800px;
    height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-content: center;
}

#game_canvas {
    position: absolute;
    width: 800px;
    height: 600px;
}

.game_overlay {
    margin: 10px;
    padding: 10px;
    font-family: 'Courier New', Courier, monospace;
    background-color: white;
    cursor: pointer;
    align-self: center;
}

.game_overlay.noninteractive {
    cursor: default;
}