Fix minor waybar workspaces widget hover color issue

config/waybar/style.css

@@ -1,3 +1,4 @@
+/*TODO: Set this through nixos module programatically*/
 /*@import url("colors/three-bears.css");*/
 @import url("colors/foggy-lake.css");
 
@@ -20,6 +21,10 @@ window#waybar {
   color: @base;
 }
 
+#workspaces button:hover {
+  color: @pink;
+}
+
 /*Tux Icon*/
 #custom-launcher {
   font-size: 18px;