Replaced preview style block from static html to autogenerated by app.js

Author: Munter

public/index.html

@@ -13,7 +13,6 @@
     <div id='content' class='clr'>
       <div class='preview_and_configuration'>
         <div class='preview'>
-          <style class='preview_styles'></style>
           <div class='arrow_box'>
             <h1 class='logo'>css arrow please!</h1>
           </div>

public/js/lib/app.js

@@ -33,7 +33,7 @@ if (!('CSSArrowPlease' in window)) window.CSSArrowPlease = {};
 
       this.views = [
         new G.ArrowConfigurationView({ model: model, container: $('.configuration') }), 
-        new G.ArrowPreviewView({ model: model, container: $('.preview_styles') }), 
+        new G.ArrowPreviewView({ model: model, container: $('<style type="text/css"></style>').appendTo('body') }),
         new G.ArrowCSSView({ model: model, container: $('.result_code') }), 
       ];
     },