diff --git a/src/main.rs b/src/main.rs
index 5b163a7..8c21991 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,38 +1,42 @@
-use ggez::{Context, ContextBuilder, GameResult};
-use ggez::graphics::{self, Color, Mesh, MeshBuilder, DrawMode};
 use ggez::event::{self, EventHandler};
-
+use ggez::graphics::{self, Color, DrawMode, Mesh, MeshBuilder};
+use ggez::{Context, ContextBuilder, GameResult};
 
 struct Apr {
-    grid : Mesh,
+    grid: Mesh,
     // Your state here...
 }
 
-fn make_grid(ctx : &mut Context, r: i32, c: i32) -> GameResult<Mesh> {
-    let start_x : f32 = 20.0;
-    let start_y : f32 = 20.0;
-    let size : f32 = 20.0; //compile time constants for now
-    let mut start_white : bool = true;
-    
+fn make_grid(ctx: &mut Context, r: i32, c: i32) -> GameResult<Mesh> {
+    let start_x: f32 = 20.0;
+    let start_y: f32 = 20.0;
+    let size: f32 = 20.0; //compile time constants for now
+    let mut start_white: bool = true;
+
     let mut builder = MeshBuilder::new();
-    
+
     for row in 0..r {
-	let mut colour = start_white;
-	for col in 0..c {
-	    builder.rectangle(
-		if colour { DrawMode::stroke(1.0) } else { DrawMode::fill() },
-		graphics::Rect {
-		    x : start_x + (size * col as f32),
-		    y : start_y + (size * row as f32),
-		    w : size,
-		    h : size
-		},
-		Color::BLACK)?;
-	    colour = !colour;
-	}
-	start_white = !start_white;
+        let mut colour = start_white;
+        for col in 0..c {
+            builder.rectangle(
+                if colour {
+                    DrawMode::stroke(1.0)
+                } else {
+                    DrawMode::fill()
+                },
+                graphics::Rect {
+                    x: start_x + (size * col as f32),
+                    y: start_y + (size * row as f32),
+                    w: size,
+                    h: size,
+                },
+                Color::BLACK,
+            )?;
+            colour = !colour;
+        }
+        start_white = !start_white;
     }
-    
+
     builder.build(ctx)
 }
 
@@ -40,28 +44,23 @@ impl Apr {
     pub fn new(_ctx: &mut Context) -> Apr {
         // Load/create resources such as images here.
         Apr {
-            grid : make_grid(_ctx, 8, 8).unwrap()
+            grid: make_grid(_ctx, 8, 8).unwrap(),
         }
     }
-
-
 }
 
-
-
 impl EventHandler for Apr {
     fn update(&mut self, _ctx: &mut Context) -> GameResult<()> {
-
-	// Err(ggez::GameError::CustomError("You done messed up trying to play this game!".to_string()))
+        // Err(ggez::GameError::CustomError("You done messed up trying to play this game!".to_string()))
         // Update code here...
         Ok(())
     }
 
     fn draw(&mut self, ctx: &mut Context) -> GameResult<()> {
         graphics::clear(ctx, Color::WHITE);
-	let drawparams = graphics::DrawParam::new();
+        let drawparams = graphics::DrawParam::new();
 
-	graphics::draw(ctx, &self.grid, drawparams)?;
+        graphics::draw(ctx, &self.grid, drawparams)?;
         // Draw code here...
         graphics::present(ctx)
     }