fix: hard code the size of game to 1080p and set background color to black

src/index.html

@@ -10,10 +10,14 @@
         position: absolute;
         top: 0px;
         left: 0px;
+        background-color: black;
       }
 
       #game-window {
-        position: relative;
+        position: fixed;
+        top: 50%;
+        left: 50%;
+        transform: translate(-50%, -50%);
       }
 
       #game-canvas {

src/main.ts

@@ -12,7 +12,7 @@ import WeaponTypeRegistry from "./shattered_sword/Registry/WeaponTypeRegistry";
 
     // Set up options for our game
     let options = {
-        canvasSize: {x : window.innerWidth, y:window.innerHeight},
+        canvasSize: {x : 1920, y:1080},
         //canvasSize: {x: window.innerWidth, y: window.innerHeight},          // The size of the game
         clearColor: {r: 0, g: 0, b: 0},   // The color the game clears to
         inputs: [