body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to bottom, #a1c4fd, #c2e9fb);
    height: 100vh;
    overflow: hidden;
}

h1 {
    color: #333;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
    margin: 10px 0;
}

canvas {
    border: 2px solid #333;
    background: #dff9fb;
    display: block;
    margin: 10px auto;
}

.instructions {
    font-size: 18px;
    color: #555;
    margin-top: 10px;
    text-align: center;
}

.instructions span {
    font-weight: bold;
    color: #2c3e50;
}