img {
    width: 100%;
}

ul {
    list-style-type: "\25B8\00a0";
}

pre {
    width: fit-content;
}

@media (min-width: 720px) {
    #toc-list {
        float: right;
    }
}

h2, h2 + section {
    display: none;
}

:target, :target + section {
    display: block;
}