body {
    background: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: white;
    font-family: sans-serif;
}
#game-container {
    box-sizing: border-box; 
    position: relative;
    padding: 0;
    
    /* Ensure the container shrinks to fit the canvas + border exactly */
    display: inline-block; 
}

/* Apply to the intro image */
#intro-overlay {
    box-sizing: border-box;
    /* ... other styles ... */
}
/*
canvas {
    border: 4px solid #fff;
    background-color: #87CEEB; 
}
*/