HTML FIELDSET TAG EXAMPLE
Run 
<!DOCTYPE html>
<html>

   <head>
      <title>HTML fieldset Tag</title>
   </head>

   <body>
      <form>
         
         <fieldset>
            <legend>Student Details</legend>
            <div>Name:</div> 
            <div><input type="text" name="name" placeholder="Enter name..."></div>
            <br/>
            <div>Roll No.:</div> 
            <div><input type="text" name="rollno" placeholder="Enter roll no..."></div>
            <br/>
            <div><button type="button">Check</button></div>
         </fieldset>
         
      </form>
   </body>

</html>