Add Nord tab colors

i3.nix

@@ -20,6 +20,29 @@ in {
         inner = 12;
         smartGaps = true;
       };
+      colors = {
+        focused = {
+          border      = "#4c566a";
+          background  = "#4c566a";
+          text        = "#eceff4";
+          indicator   = "#ff00ff";
+          childBorder = "#ff00ff";
+        };
+        focusedInactive = {
+          border      = "#434c5e";
+          background  = "#434c5e";
+          text        = "#e5e9f0";
+          indicator   = "#ff00ff";
+          childBorder = "#ff00ff";
+        };
+        unfocused = {
+          border      = "#2e3440";
+          background  = "#2e3440";
+          text        = "#e5e9f0";
+          indicator   = "#ff00ff";
+          childBorder = "#ff00ff";
+        };
+      };
       startup = [
         {
           command = "(systemctl --user restart polybar &) && (nm-applet &) && lock";