body {
    margin: 0;
    padding: 20px;
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    text-align: center;
}

h1 {
    margin-bottom: 20px;
    font-size: 2.5rem;
}

#gameCanvas {
    border: 3px solid yellow;
    display: block;
    margin: 0 auto;
    background-color: black;
}

.controls {
    margin-top: 20px;
    font-size: 1rem;
    color: #cccccc;
}

.controls p {
    margin: 5px 0;
}