body {
    font-family: sans-serif;
    text-align: center;
}

#game-container {
    position: relative;
    width: 400px;
    height: 500px;
    margin: 0 auto;
    background-color: #f0f0f0;
    border: 2px solid #333;
    overflow: hidden;
}

#player {
    position: absolute;
    bottom: 10px;
    left: 180px;
    width: 40px;
    height: 40px;
    background-color: #007bff;
}

.falling-object {
    position: absolute;
    width: 30px;
    height: 30px;
    background-color: red;
    top: 0;
}