FIX: CMS buttons and Better Navigator icons

src/scss/_components/_ui.main.scss

@@ -442,3 +442,13 @@ body.is-offline {
     position: relative;
     will-change: position, top;
 }
+
+#BetterNavigator {
+    a,
+    button,
+    div,
+    i,
+    span {
+        background-size: auto;
+    }
+}

src/scss/types/cms.scss

@@ -36,10 +36,13 @@
 
 // correct primary buttons coloring
 .toolbar--south {
-	.btn-outline-primary,
 	.btn-primary {
 		color: #fff;
 	}
+
+	.btn-outline-primary {
+		color: #999;
+	}
 }
 
 #ActionMenus_MoreOptions {