body {
    margin: 0;
    overflow: hidden;
    font-family: 'Press Start 2P', cursive;
    background-color: #000;
    color: #fff;
    text-align: center;
}

#gameCanvas {
    display: block;
    margin: 0 auto;
    background-color: #222;
    border: 2px solid #fff;
}

#instructions {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    padding: 10px;
    border-radius: 5px;
}

h1 {
    margin: 0;
    font-size: 24px;
}

p {
    margin: 5px 0;
    font-size: 14px;
}