game.css

#canvas {
    border: 3px solid white; 
    float: left;
}

#gamemenu {
    width: 200px;
    height: 600px;
    float: left;
    margin-left: 20px;
    border: 3px solid white;
    background-color: #2e2e2e;
}

#gamemenu .game-control, #gamemenu #score {
    float: left; 
    margin-left: 10px;
    font-size: 20pt;
    font-weight: 600;
    font-family: sans-serif;
    width: 200px;
}

#gamemenu #score {
    cursor: pointer;
}

#countdown {
    width: 400px;
    height: 600px;
    border: 3px solid white;
    background-color: rgba(1,1,1,0.5);
    position: absolute;
}

#countdownDisplay {
    color: white;
    font-weight: 600;
    font-family: sans-serif;
    position: absolute;
    margin-left: 200px;
    margin-top: 300px;
    font-size: 40px;
    text-align: center;;
}

#countdown .gamestate-indicator {
    text-align: center;
    font-family: sans-serif;
    margin-top: 100px;
    font-weight: 600;
    font-size: 24pt;
    color: white;
}

#countdown .button-wrapper {
    text-align: center;
}

#countdown .restart-button {
    color: white;
    font-size: 30pt;
    font-weight: 600;
    cursor: pointer;
    font-family: sans-serif;
    text-decoration: none;
}