refactor: added back basic dark mode

Alexander Bilz

12.09.2022 fe27dbac37cf3301ac78c0ce6422eda748649447

 assets/scss/partials/layout/_header.scss

@@ -1,16 +1,20 @@
.header {
  @include themed() {
    background-color: t('accent');
  }
  width: 100%;
  position: fixed;
  right: 0;
  z-index: 3;
  background-color: $accent;

  @include desktop {
    border-bottom: $border;
    @include themed() {
      border-bottom: t('border');
    }
    width: $content-width;
  }

  @include print {
    display: none;
  }
}
}