body {
    margin: 0;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #c10028; 
    height: 100vh; 
}

canvas {
    display: block;
    background-color: #c10028;
    width: 100vw;  
    height: 100vh;
}