.os-name {
    display: none;
}
.detectedOs {
    display: inline;
}
body{
    font-size: 18px;
    margin: 10px;
    max-width: 800px;
}
figure {
    margin: 1em 0 2em;
    max-width: 100%;
}
figcaption {
    margin-bottom: 1em;
}
img {
    max-width: 100%;
}