index.html

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>Polish gender checker</title>
        <style>
            h1 {
                font-family: Arial, Helvetica, sans-serif;
                font-size: 24px;
            }

            body {
                font-family: Arial, Helvetica, sans-serif;
                font-size: 15px;
            }
        </style>
    </head>
    <body>
        <h1>Polish gender checker</h1>
        <form>
            <label for="noun">Enter a noun:</label>
            <input type="text" id="noun" name="noun" placeholder="dom">
            <button type="submit">Check the gender</button>
        </form>
        <p>
            Enter a noun to check its grammatical gender.
        </p>
        <script>
        /* User input script */
        /* Gender checker script */
        </script>
    </body>
</html>