index.html

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<html lang="en">
    <head>
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        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        
        <title>Startup Landing Page</title>
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    <body>
        <div class="container d-flex align-items-center h-100">
            <div class="row">
                <header class="text-center col-12">
                    <h1 class="text-uppercase">A relaxing experience you will not forget</h1>
                </header>
            <div class="buffer col-12"></div>
                <section class="text-center col-12">
                    <hr>
                    <a href="https://mailchi.mp/486cd63478fa/mdstest">
                        <button class="btn btn-primary btn-xl">Find out more</button>
                    </a>
                </section>
            </div>
        </div>
    </body>
</html>