Add visual button presets, jump targets and menu controls

templates/page.html.twig

@@ -36,6 +36,7 @@
     <link rel="stylesheet" href="{{ styleBundle }}">
     {% else %}
     <link rel="stylesheet" href="/assets/site.css?v={{ kant_version() }}">
+    <link rel="stylesheet" href="/assets/buttons.css?v={{ kant_version() }}">
     {% if localFonts|default([]) %}<link rel="stylesheet" href="/assets/fonts/fonts.css?v={{ kant_version() }}">{% endif %}
     {% if page.document.schemaVersion >= 2 %}<link rel="stylesheet" href="/assets/design.css?v={{ kant_version() }}">{% endif %}
     {% if page.document.schemaVersion >= 3 %}<link rel="stylesheet" href="/assets/enhancements.css?v={{ kant_version() }}">{% endif %}