HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Form Input Legend & fieldset in HTML</title>
</head>
<body>
<!--
<fieldset> : is used to group related data in a form.
<legend> : defines a caption for the <fieldset> element.
-->
<h1>Demo: Form Input legend & fieldset in HTML</h1>
<form action="/notes/examples/html/output/thankYou.html" target="_blank">
<fieldset>
<legend>Personal Details:</legend>
<label for="fname">Firstname:</label><br>
<input type="text" id="fname" name="fname" placeholder="Enter Firstname"><br>
<label for="lname">Lastname:</label><br>
<input type="text" id="lname" name="lname" placeholder="Enter Lastname"><br>
<label for="lname">Email:</label><br>
<input type="email" id="email" name="email" placeholder="Enter Email"><br><br>
</fieldset>
<fieldset>
<legend>Educational Details:</legend>
<label for="fname">10<sup>th</sup> Percentage:</label><br>
<input type="text" id="fname" name="fname" placeholder="Enter Percentage"><br>
<label for="lname">12<sup>th</sup> Percentage:</label><br>
<input type="text" id="lname" name="lname" placeholder="Enter Percentage"><br>
<label for="lname">Graduation ( CGPA ):</label><br>
<input type="email" id="email" name="email" placeholder="Enter CGPA"><br><br>
</fieldset><br>
<input type="submit" value="Submit">
</form>
</body>
</html>