body {
    font-family: 'Arial', sans-serif;
}

#gameCanvas {
    background-color: #111827;
    display: block;
}

.container {
    max-width: 600px;
}

@keyframes foodPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.food {
    animation: foodPulse 1s infinite;
}