diff --git a/modules/home/niri/config.kdl b/modules/home/niri/config.kdl
index c511e53..1b5bf7a 100644
--- a/modules/home/niri/config.kdl
+++ b/modules/home/niri/config.kdl
@@ -262,8 +262,8 @@ layout {
     // Top and bottom struts will simply add outer gaps in addition to the area occupied by
     // layer-shell panels and regular gaps.
     struts {
-        left 16
-        right 16
+        left 8
+        right 8
         top 8
         bottom 8
     }
diff --git a/modules/home/niri/default.nix b/modules/home/niri/default.nix
index a3a41d7..596416b 100644
--- a/modules/home/niri/default.nix
+++ b/modules/home/niri/default.nix
@@ -73,6 +73,12 @@ in
           radius_bottom_left = 0;
           radius_bottom_right = 0;
           concave_edge_corners = false;
+          # Niri blurs whatever shows through.
+          background_opacity = 0.6;
+        };
+        theme = {
+          mode = "dark";
+          shell_mode = "dark";
         };
         # Long enough for terminal titles set by coding agents.
         widget.active_window.max_length = 500;