body {
    margin: 0;
    padding: 0;
    background-color: #2c3e50;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

canvas {
    border-radius: 15px;
    box-shadow: 0px 0px 30px rgba(0,0,0,0.5);
}