templates/layout/redoc.php

<?php
$this->assign('title', $title);
?>
<!DOCTYPE html>
<html>
<head>
    <!-- REDOC -->
    <title><?php echo $this->fetch('title'); ?></title>
    <!-- needed for adaptive design -->
    <meta charset="utf-8"/>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link href="https://fonts.googleapis.com/css?family=Montserrat:300,400,700|Roboto:300,400,700" rel="stylesheet">

    <!--
    ReDoc doesn't change outer page styles
    -->
    <style>
        body {
            margin: 0;
            padding: 0;
        }
        /* Flash messages */
        .message, .alert {
            padding: 1rem;
            border-width: 1px;
            border-style: solid;
            border-radius: 4px;
            margin-bottom: 2rem;
        }
        .message.error, .alert.alert-danger {
            background: #fcebea;
            color: #cc1f1a;
            border-color: #ef5753;
        }
    </style>
</head>
<body>
<?php
if (isset($this->Flash)) {
    echo $this->Flash->render();
}
echo $this->fetch('content');
?>
</body>
</html>