*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #050508;
    overflow: hidden;
    cursor: crosshair;
    font-family: 'Helvetica Neue', 'Hiragino Sans', sans-serif;
}

canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}