application/views/unsupported.erb
<!DOCTYPE HTML>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="robots" content="noindex" />
<title>Spontaneous CMS: Unsupported Browser</title>
<link REL="SHORTCUT ICON" HREF="/@spontaneous/static/favicon.ico" />
<link rel="stylesheet" href="/@spontaneous/css/unsupported.css" type="text/css" media="screen" charset="utf-8" />
</head>
<body>
<div id="outer">
<h1>Sorry!</h1>
<h2>You are using an unsupported browser...</h2>
<div class="error">
<p class="feature"><%= params[:msg] %></p>
<p class="user-agent">Browser: <%= params[:useragent] %></p>
</div>
<p>In order to provide the best editing experience Spontaneous uses features only found in the latest browsers.</p>
<p>Please download and install <a href="http://www.google.com/chrome">Google Chrome</a> or <a href="http://www.google.com/chromeframe">Chrome Frame</a> in order to use this CMS as well as enjoy the best of the internet. You won’t regret it...</p>
<p class="chrome"><a href="http://www.google.com/chrome">
<img src="/@spontaneous/static/chromelogo-200x52-45c7cbc93be080bea342df5fcda2ef8b.png" alt="" />
</a></p>
</div>
</body>
</html>