index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <link rel="stylesheet" href="style.css">
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>

</head>
<body>
    <div class="container">
        <div class="sub">
            <div class="text">
                <label>Enter the number of <span id="para">paragraphs</span> you need</label><br><br>
            </div>
            <div class="input">
                <input id="txt" type="text" name="text"/>
            </div>    
            <div class="btn">
                <input  id="btn" type="submit" value="Generate"/>
            </div>
            <div id="paragraphDiv">
                <p id="paragraph"></p>
            </div>   
        </div>
    </div>
</body>
<script src="getPara.js"></script>
</html>