Add set-specific history tracking for group owners

src/css/App.css

@@ -5,6 +5,7 @@ html {
   --text-color-tinted: #cccccc;
   --background-color: #111111;
   --background-color-dark: #000000;
+  --background-color-light: #222222;
   --overlay-color: #333333;
 
   height: 100%;

src/css/MistakesHistory.css

@@ -24,4 +24,8 @@
 	align-items: center;
 	justify-content: flex-start;
 	flex-wrap: wrap;
+}
+
+.set-select-container {
+	margin-bottom: 8px;
 }