_browsersupported.html.erb

<div class="flash flash-danger">
  <div class="container">
    <noscript>
      <link href="https://fonticons-free-fonticons.netdna-ssl.com/kits/a97ca672/a97ca672.css" media="all" rel="stylesheet">
      <div class="flash-message flash-message-noscript show">
        <h3 class="flash-title margin-top-none margin-bottom-sm"><i class="ficon ficon-oi"></i> Oi. You need to enable JavaScript.</h3>
        <p class="flash-copy">Managing your assets with Fort Awesome relies on JavaScript. <a class="flash-link" href="http://www.enable-javascript.com" target="_blank">Enable JavaScript</a> and then we'll get you going.</p>
      </div>
    </noscript>

    <div id="browser-not-supported" class="flash-message flash-message-browser-not-supported">
      <h3 class="flash-title margin-top-none margin-bottom-sm"><i class="ficon ficon-oi"></i> Oi. Your browser is not supported.</h3>
      <p class="flash-copy">
        <% if browser.ie? and browser.version.to_i <= 10 %>
        You're using <%= browser.name %> <%= browser.version %>, a very old browser. Did you know that Microsoft has abandoned support (including security fixes) for it? <a class="flash-link" href="http://browsehappy.com/" target="_blank">Be safe and upgrade</a>.
        <% else %>
        Your browser is too old and missing some key goodies. To manage your assets with Fort Awesome, you'll need to use <a class="flash-link"  href="http://browsehappy.com/" target="_blank">a more modern web browser</a>.
        <% end %>
      </p>
    </div>
  </div>
</div>