body {
    font-family: "Noto Sans KR", sans-serif;
    background: linear-gradient(135deg, #d2f4ff, #fff8d2);
    text-align: center;
    padding: 50px;
}

h1 {
    color: #00695c;
}

select, button {
    padding: 10px 15px;
    font-size: 16px;
    border-radius: 8px;
    border: 1px solid #ccc;
    margin: 10px;
}

button {
    background-color: #4caf50;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #43a047;
}

canvas {
    margin-top: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 0 10px #ccc;
}