<!-- This is a partial file which is included into all concrete templates -->
<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8" />
        <title>Newsletter Registration</title>
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <!-- This loads the bootstrap css library file -->
        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
            integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
        
        <!-- Our own stylesheet, make sure to have a leading slash -->
        <link rel="stylesheet" type="text/css" href="/style.css" media="screen" />
    </head>
    <body>
        <div class="container mt-3">
            <div class="row justify-content-center">
                <div class="col-8">
                    <div class="card">
                        <div class="card-body">