html, body {
    margin: 0;
    padding: 0;
}

html {
    height: 100vh;
    box-sizing: border-box;
    
    > body {
        height: 100%;
        box-sizing: border-box;
        
        > canvas#webgl-canvas {
            display: block;
            width: 100%;
            height: 100%;
        }
    }
}