client/index.html

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8" />
        <title>Algolia Sample template</title>
        <meta name="description" content="An Algolia Sample" />
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="preconnect" href="https://fonts.gstatic.com">
        <link href="https://fonts.googleapis.com/css2?family=Hind:wght@300;400&display=swap" rel="stylesheet">
        <link rel="stylesheet" href="css/normalize.css" />
        <link rel="stylesheet" href="css/index.css" />
    </head>
    <body>
        <div class="container">
            <div class="sidebar">
                <p>This is an
                    <a href="https://github.com/algolia-samples"> Algolia sample application,</a> showcasing how to build different emails recommendations with Algolia.<br/></br>
                    <a href="https://github.com/algolia-samples/email-recommendations"> 
                        View code on GitHub
                    </a>
                </p>
                <hr>
                <form action="" id="templateForm">
                    <label for="templateName">Select an email template:</label>
                    <select name="templateName" id="templateName"></select>
                </form>
                <p id="explanation"></p>
                <hr>
                <form action="" id="sendForm">
                    <label for="toEmail">Send this email</label>
                    <input type="email" name="toEmail" id="toEmail" required/>
                    <button type="submit">Send</button>
                </form>
            </div>
            <div id="main"></div>
        </div>
        <script type="text/javascript" src="js/index.js"></script>
    </body>
</html>