*,
*::before,
*::after {
    box-sizing: border-box
}

body {
    color: #222
}

canvas#result {
    position: absolute;
    z-index: 10;
}

video#capture {
    max-width: 100%;
    height: auto;
}

canvas#result,
video#capture {
    transform: scale(-1, 1)
}