Merge pull request 'Refresh header and footer with signet, gradient, nav pills and three-column footer; fix box-sizing of design boxes' (#53) from design/header-footer into main

Reviewed-on: #53

Elternbeirat.Web.Tests/FooterYearTests.cs

@@ -0,0 +1,27 @@
+using Elternbeirat.Web.Features.Layout;
+
+namespace Elternbeirat.Web.Tests;
+
+/// <summary>
+/// Unit tests for the footer's copyright year. Pure logic, no PocketBase needed.
+/// </summary>
+public class FooterYearTests
+{
+    [Fact]
+    public void New_year_in_Berlin_wins_over_the_UTC_year()
+    {
+        // 23:30 UTC on New Year's Eve is already 00:30 in Berlin (winter time, +1),
+        // so the footer must show the new year although the server clock says the old.
+        var now = new DateTimeOffset(2026, 12, 31, 23, 30, 0, TimeSpan.Zero);
+
+        FooterYear.For(now).ShouldBe(2027);
+    }
+
+    [Fact]
+    public void Ordinary_day_keeps_its_year()
+    {
+        var now = new DateTimeOffset(2026, 10, 1, 12, 0, 0, TimeSpan.Zero);
+
+        FooterYear.For(now).ShouldBe(2026);
+    }
+}

Elternbeirat.Web.Tests/NavBuilderTests.cs

@@ -43,6 +43,15 @@ public class NavBuilderTests
         footer.Select(link => link.Title).ShouldBe(["Impressum", "Datenschutz"]);
     }
 
+    [Fact]
+    public void No_pages_give_empty_menus()
+    {
+        // PocketBase down or nothing published yet: both menus are empty lists, not
+        // null, so the layout can simply skip a column instead of crashing.
+        NavBuilder.Header([]).ShouldBeEmpty();
+        NavBuilder.Footer([]).ShouldBeEmpty();
+    }
+
     [Fact]
     public void Home_page_maps_to_root_every_other_slug_to_its_path()
     {

Elternbeirat.Web.Tests/RouteSmokeTests.cs

@@ -115,6 +115,30 @@ public sealed partial class RouteSmokeTests : IDisposable
         html.ShouldNotContain("href=\"/draft\""); // public=false, filtered out
     }
 
+    [Fact]
+    public async Task Footer_links_every_public_header_and_footer_page_in_order()
+    {
+        // The footer repeats the header pages as "Schnellzugriff" and then lists the
+        // footer pages, each column in its order field. Only the <footer> is checked,
+        // so the header menu cannot make the test pass on its own. The expected list
+        // mirrors the fixture's pages; the draft (public=false) must be missing.
+        var client = _factory.CreateClient();
+
+        var html = await client.GetStringAsync(new Uri("/", UriKind.Relative));
+
+        var footer = FooterElement().Match(html);
+        footer.Success.ShouldBeTrue();
+        var hrefs = Href().Matches(footer.Value).Select(match => match.Groups[1].Value);
+
+        hrefs.ShouldBe(
+        [
+            "/", "/board", "/patrons", "/faqs", "/downloads", "/posts", "/events",
+            "/contact", "/imprint", "/privacy", "/faq-lunch",
+        ]);
+        footer.Value.ShouldContain("Schnellzugriff");
+        footer.Value.ShouldContain("Weiteres");
+    }
+
     [Fact]
     public async Task Home_renders_the_embeds_its_page_opts_into()
     {
@@ -245,4 +269,17 @@ public sealed partial class RouteSmokeTests : IDisposable
     /// </summary>
     [GeneratedRegex("""(?:\b(?:src|srcset)\s*=\s*|<link\b[^>]*\bhref\s*=\s*|url\(\s*|@import\s+)["']?\s*(?:https?:)?//""", RegexOptions.IgnoreCase)]
     private static partial Regex ForeignResource();
+
+    /// <summary>
+    /// Matches the page's <c>&lt;footer&gt;</c> element, from its opening tag to the
+    /// closing one. The layout renders exactly one footer and nests no other.
+    /// </summary>
+    [GeneratedRegex("""<footer\b.*?</footer>""", RegexOptions.Singleline)]
+    private static partial Regex FooterElement();
+
+    /// <summary>
+    /// Matches an <c>href</c> attribute and captures its value.
+    /// </summary>
+    [GeneratedRegex(@"\bhref=""([^""]*)""")]
+    private static partial Regex Href();
 }

Elternbeirat.Web/Components/Layout/MainLayout.razor

@@ -8,7 +8,15 @@
    flex wrapper -- see MainLayout.razor.css. *@
 <header class="site-header">
         <div class="header-inner">
-            <a class="brand" href="/">Elternbeirat IGMH</a>
+            @* Two-line lettering next to the signet: the body's name large, the
+               school small below it. One link, so the whole mark leads home. *@
+            <a class="brand" href="/">
+                <Signet />
+                <span class="brand-text">
+                    <span class="brand-name">Elternbeirat</span>
+                    <span class="brand-school">IGMH Mannheim</span>
+                </span>
+            </a>
 
             @* CSS-only mobile menu: the hidden checkbox holds the open/closed
                state, the label is the hamburger button, and :checked reveals the
@@ -37,13 +45,48 @@
     </main>
 
     <footer class="site-footer">
+        @* A soft wave as the transition from the page into the dark footer. Pure
+           decoration, so hidden from screen readers; it is filled with the footer
+           colour and stretched to the full width (preserveAspectRatio="none"). *@
+        <svg class="footer-wave" viewBox="0 0 1440 48" preserveAspectRatio="none" aria-hidden="true" focusable="false">
+            <path d="M0 24C240 48 480 48 720 28S1200 0 1440 20V48H0z" />
+        </svg>
+
         <div class="footer-inner">
+            <div class="footer-brand">
+                <Signet />
                 <span>Elternbeirat der IGMH</span>
-            <nav class="footer-nav">
+            </div>
+
+            @* Both link columns come from PocketBase like the header. An empty list
+               (no such pages, or PocketBase down) renders nothing -- no lone
+               heading above an empty column. *@
+            @if (_header.Count > 0)
+            {
+                <nav class="footer-nav" aria-label="Schnellzugriff">
+                    <h2 class="footer-heading">Schnellzugriff</h2>
+                    <ul>
+                        @foreach (var link in _header)
+                        {
+                            <li><a href="@link.Href">@link.Title</a></li>
+                        }
+                    </ul>
+                </nav>
+            }
+
+            @if (_footer.Count > 0)
+            {
+                <nav class="footer-nav" aria-label="Weiteres">
+                    <h2 class="footer-heading">Weiteres</h2>
+                    <ul>
                         @foreach (var link in _footer)
                         {
-                    <a href="@link.Href">@link.Title</a>
+                            <li><a href="@link.Href">@link.Title</a></li>
                         }
+                    </ul>
                 </nav>
+            }
         </div>
+
+        <p class="footer-copyright">© @_year Elternbeirat der IGMH</p>
     </footer>

Elternbeirat.Web/Components/Layout/MainLayout.razor.cs

@@ -23,6 +23,9 @@ public partial class MainLayout
     private IReadOnlyList<NavLinkItem> _header = [];
     private IReadOnlyList<NavLinkItem> _footer = [];
 
+    // Berlin's year, not the server's (UTC) -- see FooterYear.
+    private readonly int _year = FooterYear.For(TimeProvider.System.GetUtcNow());
+
     protected override async Task OnInitializedAsync()
     {
         try

Elternbeirat.Web/Components/Layout/MainLayout.razor.css

@@ -25,11 +25,12 @@
    z-index keeps it above the content; the opaque background stops content showing
    through as it scrolls underneath. */
 .site-header {
-    /* Brand-blue bar with a warm accent underline -- the strongest, most visible
+    /* The brand gradient, blue into green -- the strongest, most visible cue that
-       cue that carries the friendly tone across every page. Uses its own header
+       carries the school's colours across every page. Built on --color-header, so
-       token so it stays deep blue in dark mode too (see app.css). */
+       it stays deep in dark mode too (see app.css). No accent underline any more:
-    background: var(--color-header);
+       the gradient already ends in green, and the active menu item carries the
-    border-bottom: 3px solid var(--color-accent);
+       green stroke. */
+    background: var(--gradient-brand);
     box-shadow: var(--shadow);
     position: sticky;
     top: 0;
@@ -42,22 +43,57 @@
     padding: var(--space-3) 1.25rem;
     display: flex;
     flex-wrap: wrap;
-    align-items: baseline;
+    align-items: center;
     gap: var(--space-2) var(--space-4);
 }
 
+/* Signet and two-line lettering side by side. The lettering is a column of its
+   own, so the name and the school line up on the left edge. */
 .brand {
-    font-size: 1.35rem;
+    display: flex;
-    font-weight: 700;
+    align-items: center;
-    color: #fff;
+    gap: var(--space-2);
+    color: var(--color-on-header);
     text-decoration: none;
     white-space: nowrap;
 }
 
+.brand:hover {
+    color: var(--color-on-header);
+}
+
+/* The signet lives in its own component (Signet.razor), so its <svg> carries that
+   component's scope attribute, not this one's; ::deep reaches it from here. */
+.brand ::deep .signet {
+    flex-shrink: 0;
+    width: 2.5rem;
+    height: 2.5rem;
+}
+
+.brand-text {
+    display: flex;
+    flex-direction: column;
+    line-height: 1.15;
+}
+
+.brand-name {
+    font-size: 1.35rem;
+    font-weight: var(--font-weight-heading);
+    letter-spacing: var(--letter-spacing-heading);
+}
+
+.brand-school {
+    font-size: 0.85rem;
+    font-weight: 600;
+}
+
+/* The links are pills with their own padding (see app.css), so the gap between
+   them can stay small. */
 .main-nav {
     display: flex;
     flex-wrap: wrap;
-    gap: 0.25rem 1.25rem;
+    align-items: center;
+    gap: var(--space-1) var(--space-2);
 }
 
 /* The hamburger button and its state checkbox are hidden on wide screens; the
@@ -72,11 +108,12 @@
    (b-xxxxx), so a scoped rule ".main-nav a" would not match them. See app.css. */
 
 /* Content: at least tall enough that the footer sits at the bottom of the viewport
-   on short pages. 100dvh - 4rem leaves room for the header (which sits above in
+   on short pages. 100dvh - 5rem leaves room for the header with its signet (which
-   normal flow); dvh follows the mobile browser's shrinking toolbar. On long pages
+   sits above in normal flow); dvh follows the mobile browser's shrinking toolbar.
-   the content simply grows past this and pushes the footer down naturally. */
+   On long pages the content simply grows past this and pushes the footer down
+   naturally. */
 .content {
-    min-height: calc(100dvh - 4rem);
+    min-height: calc(100dvh - 5rem);
     box-sizing: border-box;
     width: 100%;
     max-width: var(--content-width);
@@ -84,39 +121,101 @@
     padding: var(--space-4) 1.25rem var(--space-6);
 }
 
-/* Footer */
+/* Footer: a dark brand-blue band with light text, so the page visibly ends here.
+   Its own tokens (--color-footer, --color-on-footer...) keep it dark in both
+   colour schemes, like the header. position:relative anchors the wave. */
 .site-footer {
-    border-top: 1px solid var(--color-border);
+    position: relative;
-    background: var(--color-surface);
+    margin-top: var(--space-6);
-    color: var(--color-text-soft);
+    background: var(--color-footer);
-    font-size: 0.9rem;
+    color: var(--color-on-footer-soft);
+    font-size: 0.95rem;
 }
 
+/* The wave sits just above the footer's top edge (bottom: 100%), drawn over the
+   page background in the footer colour, so the band seems to rise softly instead
+   of starting with a hard line. Fixed height, full width: on a phone it simply
+   flattens out. Overlapped by 1px so no hairline gap shows between wave and band
+   when the browser rounds. */
+.footer-wave {
+    position: absolute;
+    bottom: calc(100% - 1px);
+    left: 0;
+    display: block;
+    width: 100%;
+    height: 2.5rem;
+    fill: var(--color-footer);
+}
+
+/* Three columns: brand, quick links, further pages. The brand gets a bit more room
+   because it holds the signet. A missing link column simply leaves its cell empty,
+   so the others keep their place. */
 .footer-inner {
     max-width: var(--content-width);
     margin: 0 auto;
-    padding: var(--space-3) 1.25rem;
+    padding: var(--space-5) 1.25rem var(--space-4);
-    display: flex;
+    display: grid;
-    flex-wrap: wrap;
+    grid-template-columns: 1.5fr 1fr 1fr;
-    justify-content: space-between;
-    gap: var(--space-2) var(--space-4);
-}
-
-.footer-nav {
-    display: flex;
     gap: var(--space-4);
 }
 
+.footer-brand {
+    display: flex;
+    align-items: center;
+    align-self: start;
+    gap: var(--space-2);
+    color: var(--color-on-footer);
+    font-weight: 700;
+}
+
+.footer-brand ::deep .signet {
+    flex-shrink: 0;
+    width: 3rem;
+    height: 3rem;
+}
+
+/* Column headings label the lists; they are not a second page heading, so they
+   stay small and quiet. */
+.footer-heading {
+    margin: 0 0 var(--space-2);
+    color: var(--color-on-footer);
+    font-size: 0.8rem;
+    font-weight: 700;
+    letter-spacing: 0.08em;
+    text-transform: uppercase;
+}
+
+.footer-nav ul {
+    list-style: none;
+    margin: 0;
+    padding: 0;
+}
+
+.footer-nav li + li {
+    margin-top: var(--space-1);
+}
+
 .footer-nav a {
-    color: var(--color-text-soft);
+    color: var(--color-on-footer-soft);
     text-decoration: none;
 }
 
 .footer-nav a:hover {
-    color: var(--color-brand);
+    color: var(--color-on-footer);
     text-decoration: underline;
 }
 
+/* Copyright: a thin rule separates it from the columns. The rule spans the content
+   width, not the whole window, so it lines up with the columns above. */
+.footer-copyright {
+    box-sizing: border-box;
+    max-width: var(--content-width);
+    margin: 0 auto;
+    padding: var(--space-3) 1.25rem;
+    border-top: 1px solid var(--color-footer-border);
+    font-size: 0.85rem;
+}
+
 /* Mobile: on narrow screens the nav collapses behind a hamburger button. This is
    pure CSS -- the #nav-toggle checkbox holds the open/closed state and its
    :checked state reveals the nav. No JavaScript, so it works under static SSR. */
@@ -144,8 +243,9 @@
         display: block;
         width: 1.5rem;
         height: 2px;
-        background: #fff;   /* on the blue header bar */
+        background: var(--color-on-header);
         content: "";
+        transition: transform var(--transition), background-color var(--transition);
     }
 
     .nav-toggle-bar::before {
@@ -156,6 +256,21 @@
         transform: translateY(4px);   /* 6px minus the bar's own 2px height */
     }
 
+    /* Open: the hamburger turns into an X. The middle bar fades out and the outer
+       two meet in the middle and cross. Only the icon changes shape; nothing around
+       it moves. The checkbox sits right before the label, hence the + combinator. */
+    .nav-toggle:checked + .nav-toggle-label .nav-toggle-bar {
+        background-color: transparent;
+    }
+
+    .nav-toggle:checked + .nav-toggle-label .nav-toggle-bar::before {
+        transform: rotate(45deg);
+    }
+
+    .nav-toggle:checked + .nav-toggle-label .nav-toggle-bar::after {
+        transform: translateY(-2px) rotate(-45deg);   /* back up by its own height */
+    }
+
     /* The nav takes its own row and is hidden until the checkbox is checked. */
     .main-nav {
         flex-basis: 100%;
@@ -175,6 +290,11 @@
         margin-top: 0.5rem;
     }
 
-    /* Mobile per-link spacing/separators for .main-nav a are in the global app.css
+    /* Mobile per-link spacing for .main-nav a is in the global app.css too, for
-       too, for the same scoped-attribute reason as above. */
+       the same scoped-attribute reason as above. */
+
+    /* The footer columns stack: one column, brand on top. */
+    .footer-inner {
+        grid-template-columns: 1fr;
+    }
 }

Elternbeirat.Web/Features/Layout/FooterYear.cs

@@ -0,0 +1,35 @@
+namespace Elternbeirat.Web.Features.Layout;
+
+/// <summary>
+///     Works out the year shown in the footer's copyright line.
+/// </summary>
+/// <remarks>
+///     The container runs on UTC, but visitors live in Germany. Taking the year
+///     straight from the server clock would show the old year for the first hour
+///     (two in summer time) of every new year, so the instant is converted to
+///     Europe/Berlin first.
+/// </remarks>
+public static class FooterYear
+{
+    /// <summary>
+    ///     IANA id; resolves on every platform .NET supports, Windows included.
+    /// </summary>
+    private static readonly TimeZoneInfo Berlin =
+        TimeZoneInfo.FindSystemTimeZoneById("Europe/Berlin");
+
+    /// <summary>
+    ///     Returns the calendar year in Berlin at the given instant.
+    /// </summary>
+    /// <param name="now">
+    ///     The current instant, in any offset; usually
+    ///     <see cref="TimeProvider.GetUtcNow"/>.
+    /// </param>
+    /// <returns>The year a visitor in Germany would see on their calendar.</returns>
+    /// <example>
+    ///     <code>
+    ///         FooterYear.For(new DateTimeOffset(2026, 12, 31, 23, 30, 0, TimeSpan.Zero)); // 2027
+    ///     </code>
+    /// </example>
+    public static int For(DateTimeOffset now) =>
+        TimeZoneInfo.ConvertTime(now, Berlin).Year;
+}

Elternbeirat.Web/Features/Layout/Signet.razor

@@ -0,0 +1,17 @@
+@*
+    The site's own small mark: a speech bubble (the board speaks for the parents)
+    holding a grown-up and a child. Inline SVG, so there is no extra request and
+    nothing from a third-party host. Decorative only -- the name next to it carries
+    the meaning, so it is hidden from screen readers. Colours come from tokens in
+    Signet.razor.css; the size is set by whoever places it (MainLayout.razor.css).
+*@
+<svg class="signet" viewBox="0 0 40 40" width="40" height="40" aria-hidden="true" focusable="false">
+    <path class="signet-bubble"
+          d="M8 4h24a6 6 0 0 1 6 6v15a6 6 0 0 1-6 6H18l-8 6v-6H8a6 6 0 0 1-6-6V10a6 6 0 0 1 6-6z" />
+    <g class="signet-figures">
+        <circle cx="15" cy="12" r="3.5" />
+        <path d="M9 26c0-5 2.7-8 6-8s6 3 6 8z" />
+        <circle cx="26" cy="16" r="2.6" />
+        <path d="M21.5 26c0-3.8 2-6 4.5-6s4.5 2.2 4.5 6z" />
+    </g>
+</svg>

Elternbeirat.Web/Features/Layout/Signet.razor.css

@@ -0,0 +1,11 @@
+/* A white bubble with green figures. It sits on the header gradient and on the dark
+   footer, both of which always carry white text, so --color-on-header is right in
+   both places. The figures use the darker green so they stay distinct on the white
+   bubble (the lighter --color-accent would wash out). */
+.signet-bubble {
+    fill: var(--color-on-header);
+}
+
+.signet-figures {
+    fill: var(--color-accent-dark);
+}

Elternbeirat.Web/wwwroot/app.css

@@ -17,6 +17,23 @@
        --color-brand is lightened for text/links. */
     --color-header: #328fc6;
 
+    /* Text and menu states on the header. White text, and two translucent white
+       washes for the menu pills: they lighten whatever part of the gradient sits
+       behind a link, so one value works from the blue end to the green end. The
+       active pill is the stronger one, so "where am I" outranks "where is the
+       mouse". */
+    --color-on-header: #fff;
+    --color-nav-hover: rgba(255, 255, 255, 0.12);
+    --color-nav-active: rgba(255, 255, 255, 0.2);
+
+    /* Footer: a dark brand blue, so the page visibly ends there. Light text in two
+       steps (headings and the name brighter, links softer); both stay >= 7:1 on the
+       band. The border token is a faint white line for the copyright rule. */
+    --color-footer: #1a3d57;
+    --color-on-footer: #f1f5f9;
+    --color-on-footer-soft: #c5d3df;
+    --color-footer-border: rgba(255, 255, 255, 0.15);
+
     /* Accent for highlights (active nav, event dates, call-outs): the IGMH green.
        The -dark shade is darkened enough to keep small text and the FAQ marker
        legible on a white card. */
@@ -121,6 +138,12 @@
 
         --color-header: #266f9c;       /* the IGMH blue eased down, to sit calmly on dark */
 
+        --color-footer: #10202e;       /* a deep night blue: darker than the page, so
+                                          the band still reads as the page's end */
+        --color-on-footer: #c9ced6;    /* the heading tone, 10:1 on the band */
+        --color-on-footer-soft: #a2a8b2; /* the body text tone, 6.9:1 on the band */
+        --color-footer-border: rgba(255, 255, 255, 0.1);
+
         --color-accent: #86c97d;       /* the IGMH green nudged brighter for dark */
         --color-accent-dark: #86c97d;  /* no darkening needed on a dark surface */
         --color-accent-tint: #24332a;  /* a dark green-grey: tinted, but the soft
@@ -253,37 +276,55 @@ h1:focus {
 /* Header navigation links. These live here (global), not in MainLayout.razor.css:
    NavLink renders plain <a> elements without a scoped-CSS attribute, so a scoped
    ".main-nav a" rule would not match them -- the links would fall back to the
-   global link colour (dark blue) and become unreadable on the blue header bar. */
+   global link colour (dark blue) and become unreadable on the blue header bar.
+   Every link is a pill with the same padding whether active or not, so switching
+   pages never shifts the row. Full white, not a softened white: the blue end of
+   the gradient already leaves little contrast headroom. */
 .main-nav a {
-    color: rgba(255, 255, 255, 0.85);
+    position: relative;
+    padding: var(--space-1) var(--space-3);
+    border-radius: 999px;
+    color: var(--color-on-header);
     text-decoration: none;
-    padding: var(--space-1) 0;
+    transition: background-color var(--transition);
-    border-bottom: 2px solid transparent;
-    transition: color var(--transition), border-color var(--transition);
 }
 
 .main-nav a:hover {
-    color: #fff;
+    color: var(--color-on-header);
+    background: var(--color-nav-hover);
 }
 
-/* NavLink adds .active to the current route's link; a warm accent underline marks
+/* NavLink adds .active to the current route's link: a stronger pill plus a short
-   where the visitor is on the blue bar. */
+   green stroke under the text mark where the visitor is. The stroke is drawn by
+   ::after, not a border, so it follows the text width inside the rounded pill. */
 .main-nav a.active {
-    color: #fff;
+    background: var(--color-nav-active);
-    border-bottom-color: var(--color-accent);
 }
 
-/* Mobile: stacked links inside the collapsed menu get row separators. Same global
+.main-nav a.active::after {
-   placement, same NavLink reason as above. Scoped to the narrow layout via the
+    content: "";
-   media query so it does not affect the desktop row. */
+    position: absolute;
+    left: var(--space-3);
+    right: var(--space-3);
+    bottom: 0.2rem;
+    height: 2px;
+    border-radius: 1px;
+    background: var(--color-accent);
+}
+
+/* Mobile: the stacked links in the open menu become full-width rows with a
+   rounded highlight instead of pills, and the green stroke shrinks to a short
+   mark at the start, so a long row does not get a long line. Same global
+   placement, same NavLink reason as above. */
 @media (max-width: 40rem) {
     .main-nav a {
-        padding: 0.6rem 0;
+        padding: 0.6rem var(--space-3);
-        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
+        border-radius: var(--radius-sm);
     }
 
-    .main-nav a.active {
+    .main-nav a.active::after {
-        border-bottom-color: rgba(255, 255, 255, 0.15);
+        right: auto;
+        width: 1.5rem;
     }
 }
 
@@ -600,12 +641,15 @@ h1:focus {
    this is what turns a plain list of documents on /downloads into a download
    area. Markdown.cs marks such paragraphs/items .lone-link, because CSS cannot see
    the text around a link. Two child paths: in a tight list the link sits directly
-   in the <li>, in a loose list inside a <p>. */
+   in the <li>, in a loose list inside a <p>. border-box: the 42rem include the
+   padding, so the card ends flush with the running text instead of overhanging
+   it (same for the aufruf and hinweis boxes below). */
 .markdown-body .lone-link > a[href$=".pdf" i],
 .markdown-body .lone-link > p > a[href$=".pdf" i] {
     display: flex;
     align-items: center;
     gap: var(--space-3);
+    box-sizing: border-box;
     max-width: 42rem;
     padding: var(--space-3) var(--space-4);
     border: 1px solid var(--color-border);
@@ -692,6 +736,7 @@ h1:focus {
 /* ::: aufruf -- a highlighted call to action: a tinted box with a brand-blue edge.
    Its links become buttons (rule above). */
 .markdown-body .aufruf {
+    box-sizing: border-box;   /* padding inside the 42rem, flush with the text */
     margin: 0 0 var(--space-4);
     padding: var(--space-4);
     max-width: 42rem;
@@ -705,6 +750,7 @@ h1:focus {
    says what matters. */
 .markdown-body .hinweis {
     position: relative;
+    box-sizing: border-box;   /* padding inside the 42rem, flush with the text */
     margin: 0 0 var(--space-4);
     padding: var(--space-3) var(--space-4) var(--space-3) 3.25rem;
     max-width: 42rem;