outage page

.htaccess

<IfModule mod_rewrite.c>
   RewriteEngine on
   RewriteCond %{REQUEST_URI} !.*index\.html
   RewriteRule (.*) /index.html
</IfModule>

outage.html

<title>Site Offline</title>
<style>
        body { text-align: center; font: 12px/1.3 'Helvetica Neue',Helvetica,Arial,sans-serif; color: #999; text-shadow: 0 1px 0 #fff; background: #eee; }
        img { margin-top: 200px; border-radius: 10px; }
        h1 { font-size: 24px; text-align: center; }
        article { display:block; width: 500px; margin: 0 auto; }
        hr { height: 1px; background: #ccc; border: 0 none; }
        a { color: #555; text-decoration:none; }
</style>

<article>

        <img src="http://i.imgur.com/8hq6AKs.gif" alt="">
        <h1>Site Offline</h1>
        <div>
                <p>This site is currently offline for maintenance. Check back soon.</p>
                <hr>
                <p>If you need immediate assistance, please <a href="https://tagboard.wufoo.com/forms/m7x3r3/">contact us</a>.</p>
        </div>

</article>