body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background: linear-gradient(to top, #a2d5f2, #ffffff);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

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

canvas {
    background: url("https://cdn.pixabay.com/photo/2016/03/26/23/23/snow-1284612_1280.png") repeat-x;
    display: block;
    margin: 20px auto;
    border: 3px solid #00f0ff;
    border-radius: 15px;
    box-shadow: 0 0 20px #00f0ff, 0 0 40px #00f0ff inset;
}

.controls button {
    padding: 8px 12px;
    margin: 5px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background-color: #00bfff;
    color: white;
    box-shadow: 0 0 10px #00f0ff;
    transition: all 0.2s;
}
.controls button:hover {
    background-color: #0080ff;
    box-shadow: 0 0 20px #00f0ff;
}

.score {
    font-weight: bold;
    font-size: 18px;
    margin-left: 15px;
}