diff --git a/index.html b/index.html
index d437617..07f82ba 100644
--- a/index.html
+++ b/index.html
@@ -17,6 +17,16 @@
text-align: center;
}
+#dialog {
+ transition: height 1.5s;
+ height: 0px;
+ background: #DDD;
+}
+
+#dialog.expanded {
+ height: 400px;
+}
+
button {
width: 60px;
height: 30px;
@@ -24,6 +34,10 @@ button {
cursor: pointer;
}
+button.active {
+ font-weight: bold;
+}
+
#ascii-canvas {
position: absolute;
left: 0px;
@@ -34,11 +48,15 @@ button {
diff --git a/js-lib/common.js b/js-lib/common.js
index 3dc527c..c0b93fa 100644
--- a/js-lib/common.js
+++ b/js-lib/common.js
@@ -1,7 +1,6 @@
/**
* Common classes.
*/
-goog.provide('ascii.Vector');
/**
* @constructor
diff --git a/js-lib/controller.js b/js-lib/controller.js
index 0d78c88..f00aeee 100644
--- a/js-lib/controller.js
+++ b/js-lib/controller.js
@@ -1,11 +1,6 @@
/**
* Handles user input events and modifies state.
*/
-goog.provide('ascii.Controller');
-
-goog.require('ascii.StateController');
-goog.require('ascii.Vector');
-goog.require('ascii.View');
/** @const */ var DRAG_LATENCY = 130; // Milliseconds.
/** @const */ var DRAG_ACCURACY = 3; // Pixels.
diff --git a/js-lib/launch.js b/js-lib/launch.js
index 183b593..a77e433 100644
--- a/js-lib/launch.js
+++ b/js-lib/launch.js
@@ -1,11 +1,6 @@
/**
* Application main entry point.
*/
-goog.provide('ascii.launch');
-
-goog.require('ascii.Controller');
-goog.require('ascii.State');
-goog.require('ascii.View');
/**
* Runs the application.
diff --git a/js-lib/state-controller.js b/js-lib/state-controller.js
index 823c55e..9a4a6b7 100644
--- a/js-lib/state-controller.js
+++ b/js-lib/state-controller.js
@@ -1,7 +1,3 @@
-goog.provide('ascii.StateController');
-
-goog.require('ascii.Vector');
-
/**
* Draws a line.
*/
diff --git a/js-lib/state.js b/js-lib/state.js
index f6bfdbd..78650d0 100644
--- a/js-lib/state.js
+++ b/js-lib/state.js
@@ -1,5 +1,3 @@
-goog.provide('ascii.State');
-
/** @const */ var MAX_GRID_SIZE = 1000;
/** @const */ var SPECIAL_VALUE = '+';
diff --git a/js-lib/view.js b/js-lib/view.js
index 47b9582..6efaf7a 100644
--- a/js-lib/view.js
+++ b/js-lib/view.js
@@ -1,7 +1,3 @@
-goog.provide('ascii.View');
-
-goog.require('ascii.Vector');
-
/** @const */ var CHARACTER_PIXELS = 15;
/** @const */ var RENDER_PADDING = 70;