html {
    width: 100vw;
    height: 100vh;
    overflow: hidden;;
}

body {
    width: 100vw;
    height: 100vh;
    background: linear-gradient(
            to bottom,
            rgba(0, 0, 255, .8) 0%,
            rgba(0, 190, 0, .5) 80%,
            rgba(0, 160, 0, .3));
    /*            background-image: linear-gradient(to bottom right, white, #c0c0c0); */
    overflow: hidden;;
}

canvas {
    background-color: transparent;
    margin-left: 1.5vw;
    margin-right: 1.5vw;
}