body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: black;
    color: white;
    flex-direction: column;
    text-align: center;
}

.container {
    width: 100%;
    max-width: 600px;
}

canvas {
    width: 100%;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
}

input {
    margin-top: 20px;
    padding: 10px;
    background: #333;
    color: white;
    border: none;
    cursor: pointer;
}body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: black;
    color: white;
    flex-direction: column;
    text-align: center;
}

.container {
    width: 100%;
    max-width: 600px;
}

canvas {
    width: 100%;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
}

input {
    margin-top: 20px;
    padding: 10px;
    background: #333;
    color: white;
    border: none;
    cursor: pointer;
}