body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #1e1e1e;
    color: #7a7a7a;
    text-align: center;
}

h1 {
    margin-top: 20px;
    font-size: 2em;
    color: #ffffff;
}

canvas {
    margin: 20px auto;
    display: block;
    border: 2px solid #ffffff;
    border-radius: 10px;
    background-color: #ffffff;
}

hr {
    margin: 20px auto;
    width: 60%;
    border: 1px solid #444;
}