canvas {
    border: 2px solid #000;
    display: block;
    margin: 20px auto;
    background-color: #f0f0f0;
}

textarea {
    width: 100%;
    height: 150px;
    margin: 20px auto;
    display: block;
    font-size: 16px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    resize: none;
}