.container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background-color:#f0f0f0;padding:20px}.gameContainer{position:relative;background-color:#fff;border:2px solid #333;box-shadow:0 0 20px rgba(0,0,0,.1)}.snakeCell{background-color:#4CAF50;border:1px solid #45a049}.food,.snakeCell{position:absolute;width:20px;height:20px}.food{background-color:#f44336;border-radius:50%}.score{font-size:24px;margin:20px 0;color:#333}.gameOver,.startPrompt{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background-color:rgba(0,0,0,.8);color:white;padding:20px;border-radius:5px;text-align:center}