chore: update quark (parent) theme

user/themes/quark/scss/spectre/spectre-exp.scss

+// Variables and mixins
+@import "variables";
+@import "mixins";
+
+/*! Spectre.css Experimentals v#{$version} | MIT License | github.com/picturepan2/spectre */
+// Experimentals
+@import "autocomplete";
+@import "calendars";
+@import "carousels";
+@import "comparison-sliders";
+@import "filters";
+@import "meters";
+@import "off-canvas";
+@import "parallax";
+@import "progress";
+@import "sliders";
+@import "timelines";
+@import "viewer-360";

user/themes/quark/scss/spectre/spectre-icons.scss

+// Variables and mixins
+@import "variables";
+@import "mixins";
+
+/*! Spectre.css Icons v#{$version} | MIT License | github.com/picturepan2/spectre */
+// Icons
+@import "icons/icons-core";
+@import "icons/icons-navigation";
+@import "icons/icons-action";
+@import "icons/icons-object";

user/themes/quark/scss/spectre/spectre.scss

+// Variables and mixins
+@import "variables";
+@import "mixins";
+
+/*! Spectre.css v#{$version} | MIT License | github.com/picturepan2/spectre */
+// Reset and dependencies
+@import "normalize";
+@import "base";
+
+// Elements
+@import "typography";
+@import "asian";
+@import "tables";
+@import "buttons";
+@import "forms";
+@import "labels";
+@import "codes";
+@import "media";
+
+// Layout
+@import "layout";
+@import "hero";
+@import "navbar";
+
+// Components
+@import "accordions";
+@import "avatars";
+@import "badges";
+@import "breadcrumbs";
+@import "bars";
+@import "cards";
+@import "chips";
+@import "dropdowns";
+@import "empty";
+@import "menus";
+@import "modals";
+@import "navs";
+@import "pagination";
+@import "panels";
+@import "popovers";
+@import "steps";
+@import "tabs";
+@import "tiles";
+@import "toasts";
+@import "tooltips";
+
+// Utility classes
+@import "animations";
+@import "utilities";

user/themes/quark/scss/theme/_fonts.scss

+$title-font-family: $base-font-family, $fallback-font-family !default;
\ No newline at end of file

user/themes/quark/templates/blocks/base.html.twig

+{% block content_surround %}
+{% block content %}{% endblock %}
+{% endblock %}
\ No newline at end of file