body {
    max-width: 800px;
    margin: auto;
    padding: 8px;
    font-family: sans-serif;
}

.tags {
    list-style: none;
    padding: 0;
}

.tags > li {
    display: inline-block;
    margin-right: 1em;
}

img {
    max-width: 100%;
}

pre {
    padding: 1rem;
    border-radius: 0.5em;
}

.avatar {
    height: 2em;
    margin-bottom: -0.5em;
}