body {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #000;
    color: #0ff;
    font-family: 'Courier New', Courier, monospace;
}

.game-container {
    text-align: center;
}

#game {
    position: relative;
    width: 300px;
    height: 500px;
    border: 2px solid #0ff;
    overflow: hidden;
    background-color: #111;
}

#fish {
    position: absolute;
    width: 30px;
    height: 30px;
    background-color: #0ff;
    border-radius: 50%;
    top: 50%;
    left: 50px;
    transform: translateY(-50%);
}

#score {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 20px;
}

#startButton {
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #0ff;
    border: none;
    color: #000;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
}

#startButton:hover {
    background-color: #0aa;
}