/* mdbook clamps the main content column to ~750px by default. Cap by
 * characters instead so the column scales with the chosen font: 100ch
 * matches the conventional 100-column code-line standard, which is more
 * than wide enough for prose while preventing overly long lines on big
 * displays. The `ch` unit is the width of the "0" glyph in the
 * inherited font. */
:root {
    --content-max-width: 100ch;
}
.content main {
    max-width: 100ch;
}

/* Tables tagged with `signature-table` give more room to the first
 * column, which typically holds long function signatures. */
.signature-table table {
    table-layout: fixed;
    width: 100%;
}
.signature-table th:first-child,
.signature-table td:first-child {
    width: 40%;
}