feat: add tildes extended styles

src/tildes-baukula/_extended.scss

@@ -1 +1,56 @@
-// TODO: Styles for Tildes Extended stuff like user labels
+.user-label {
+  border-radius: 0;
+}
+
+.label-edit-box {
+  color: $foreground;
+  background-color: $background;
+
+  > input {
+    border: 1px solid $comment;
+    background-color: $selection;
+  }
+}
+
+.label-light,
+.label-dark {
+  color: transparent;
+}
+
+.bg- {
+  &none {
+    color: $foreground;
+    border-color: $comment;
+  }
+
+  &red {
+    color: $background;
+    background-color: $red;
+  }
+
+  &orangered {
+    color: $background;
+    background-color: $orange;
+  }
+
+  &orange {
+    color: $background;
+    background-color: $yellow;
+  }
+
+  &dodgerblue {
+    color: $background;
+    background-color: $cyan;
+  }
+
+  &forestgreen {
+    color: $background;
+    background-color: $green;
+  }
+
+  &slategray {
+    color: $background;
+    background-color: $selection;
+  }
+}
+