.hori_container {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
}

.hori_container > * {
    margin: 10px;
}

/* Figures are included inline (`{{#include images/foo.svg}}`), so they need to
 * be constrained to the text column.
 *
 * This must not be a bare `svg` selector: since mdbook 0.5 the toolbar icons
 * are inline <svg> too, and turning them into full-width blocks breaks the
 * menu bar's layout.  Restrict the rule to figures in the chapter body and
 * skip anything mdbook wraps in .fa-svg. */
main > svg,
main :not(.fa-svg) > svg {
    max-width: 100%;
    height: auto;
    display: block;
}