Promotion (#2)

Reviewed-on: #2

assets/css/app.css

@@ -8,6 +8,8 @@
 @import "../node_modules/chessground/assets/chessground.brown.css";
 @import "../node_modules/chessground/assets/chessground.cburnett.css";
 
+@import "./_promotion.css";
+
 @source "../css";
 @source "../js";
 @source "../../lib/chesstrainer_web";
@@ -108,6 +110,9 @@
 @custom-variant dark (&:where([data-theme=dark], [data-theme=dark] *));
 
 /* Make LiveView wrapper divs transparent for layout */
-[data-phx-session], [data-phx-teleported-src] { display: contents }
+[data-phx-session],
+[data-phx-teleported-src] {
+  display: contents;
+}
 
 /* This file is for your main application CSS */