File: layout.erb [nakajima-rack-flash]

<head>
  <title>Flash Examples</title>
  <style type="text/css" media="screen">
    * {
      margin: 0;
      padding: 0;
    }

    body {
      font-family: Helvetica;
      font-size: 18px;
    }

    a {
      color: #f09;
      text-decoration: none;
      padding: 0px 3px;
    }

    a:hover {
      background: #f09;
      color: #fff;
    }

    a:active {
      text-decoration: underline;
    }

    h1 {
      text-align: center;
    }

    code {
      font-family: Bitstream Vera Sans Mono , monospace;
      background: #D4EBF7;
    }

    form {
      margin: 0.4em auto;
      display: inline-block;
    }

    label {
      line-height: 1em;
      height: 1em;
    }

    label span {
      display: block;
      font-size: 12px;
      margin-bottom: 1px;
    }

    label a {
      font-weight: bold;
      float: right;
      margin-right: 79px;
      line-height: 1.5em;
    }

    input[type="text"] {
      padding: 2px;
      font-size: 18px;
      width: 610px;
      margin-right: 10px;
    }

    input[type="submit"] {
      cursor: pointer;
      vertical-align: 20%;
    }

    .err, .ok {
      margin: 0.3em 0;
      padding: 5px 7px;
      text-align: center;
      color: #fff;
    }

    .ok {
      background: #00A8FF;
    }

    .err {
      background: #f10;
    }

    .err_on {
      display: inline-block;
      padding: 0px 3px;
      color: #f10;
      font-weight: bold;
    }

    .highlight {
      background: #ffc;
      padding: 10px;
      margin-bottom: 10px;
    }

    #content {
      width: 700px;
      margin: 1em auto;
    }

    #result {
      font-size: 48px;
      margin: 10% auto 20%;
      text-align: center;
      display: block;
    }

    #result cite {
      font-size: 14px;
      display: block;
      text-align: right;
    }

    #result cite code {
      font-style: normal;
    }
  </style>
</head>
<body>
  <div id="content">
    <h1><code>Sinatra::Flash</code></h1>
    <%= yield %>
  </div>
</body>