* {
    padding: 0;
    margin: 0;
    -webkit-user-select: none; /* Safari */
    -ms-user-select: none; /* IE 10+ */
    user-select: none; /* Standard syntax */
}

html, body {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-color: #000;
}

canvas {
    display: block;
}