Classes and stuff.

index.html

@@ -1,7 +1,16 @@
 <html>
 	<head>
 		<script src="jquery-1.7.1.js"></script>
+		<script src="tetris-canvas.js"></script>
 		<script src="tetris.js"></script>
+		
+		<style>
+			#tetris-board {
+				background-color:black;
+				margin-left:auto;
+				margin-right:auto;
+			}
+		</style>
 	</head>
 
 	<body>