Add transparency to mangohud.

flake.lock

@@ -535,11 +535,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1752446735,
-        "narHash": "sha256-Nz2vtUEaRB/UjvPfuhHpez060P/4mvGpXW4JCDIboA4=",
+        "lastModified": 1752596105,
+        "narHash": "sha256-lFNVsu/mHLq3q11MuGkMhUUoSXEdQjCHvpReaGP1S2k=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a421ac6595024edcfbb1ef950a3712b89161c359",
+        "rev": "dab3a6e781554f965bde3def0aa2fda4eb8f1708",
         "type": "github"
       },
       "original": {

nodes/hosts/common/home/jay/programs/mangohud.nix

@@ -1,4 +1,4 @@
-{ ... } : {
+{ lib, ... } : {
   programs.mangohud = {
     enable = true;
     enableSessionWide = true;
@@ -9,6 +9,8 @@
       fps = true;
       font_size = 12;
       cellpadding_y = -0.070;
+      background_alpha = lib.mkForce 0.5;
+      alpha = lib.mkForce 0.75;
     };
   };
 }