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

canvas {
    border: 1px solid #ddd;
    margin-top: 10px;
    max-width: 100%;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border: none;
    border-radius: 4px;
}

input[type="file"],
input[type="number"] {
    margin: 10px 0;
}