html textbox multiline form contents look like code example
Example: html create a multi-line text input
<html>
<head>
<title>Textarea Elements</title>
</head>
<body>
<form>
<label for="multiLineInput"> <!-- Add the label if you want -->
<p>This is an input element that can include new lines:</p>
<textarea rows="5" cols="50" id="multiLineInput"></textarea>
</label>
<!-- rows for length, cols for width. Both aren't required -->
</form>
</body>
</html>