body {
    text-align: center;
}

.camera {
    width: 320px;
    display: inline-block;
}

video {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
}

.output {
    width: 320px;
    display: inline-block;
    vertical-align: top;
}

img {
    width: 100%;
}