 for the specific language governing permissions and
  limitations under the License.
-->
<html>
<head>
    <title>Hello World Guestbook</title>
    <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"/>
    <meta charset="utf-8"></meta>
    <meta name="viewport" content="width=device-width, initial-scale=1"></meta>
    <style>
      body { padding-top: 80px; }
      form span { font-weight: bold; padding-right: 1em; display: block; }
      form