Import theme

assets/scss/partials/layout/_body.scss

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+@use 'modules/color_theme' as color;
+
+.body {
+  width: 100%;
+  margin: 0 auto;
+  // work around to style body
+  @include color.themed() {
+    color: color.t('primary');
+    background-color: color.t('accent');
+  }
+}

assets/scss/partials/layout/_header.scss

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+@use 'modules/color_theme' as color;
+@use 'modules/config' as conf;
+
+.header {
+  @include color.themed() {
+    background-color: color.t('accent');
+  }
+  width: 100%;
+  position: fixed;
+  z-index: 1;
+  top: 0;
+
+  @include conf.desktop {
+    position: sticky;
+
+    @include color.themed() {
+      border-bottom: color.t('border');
+    }
+  }
+
+  @include conf.print {
+    display: none;
+  }
+}

assets/scss/partials/layout/_html.scss

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+.html {
+  -webkit-font-smoothing: antialiased;
+  font-size: 62.5%;
+}

assets/scss/partials/layout/_nav.scss

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+@use 'modules/color_theme' as color;
+@use 'modules/config' as conf;
+
+.nav {
+  $py-desktop: 24px;
+
+  display: none;
+
+  @include conf.desktop {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    box-shadow: none;
+  }
+
+  &__list {
+    margin: 0;
+    list-style: none;
+    padding: 0;
+    width: 100%;
+
+    @include color.themed() {
+      background-color: color.t('primary-lighter');
+    }
+
+    @include conf.desktop {
+      display: flex;
+      padding: $py-desktop 30px;
+
+      @include color.themed() {
+        background-color: color.t('accent');
+      }
+
+      &--end {
+        flex-shrink: 1;
+        justify-content: flex-end;
+      }
+    }
+
+    &-item {
+      padding: 16px 0;
+      text-transform: uppercase;
+      text-align: center;
+      white-space: nowrap;
+
+      @include conf.desktop {
+        padding-top: 0;
+        padding-bottom: 0;
+
+        &:not(:last-child) {
+          @include conf.ltr {
+            padding-right: 20px;
+          }
+          @include conf.rtl {
+            padding-left: 20px;
+          }
+        }
+      }
+    }
+  }
+
+  &__link {
+    &--active {
+      padding-bottom: $py-desktop;
+
+      @include conf.desktop {
+        @include color.themed() {
+          border-bottom: 1px solid color.t('primary');
+        }
+      }
+    }
+  }
+
+  &--active {
+    display: block;
+  }
+}