How to add Two buttons with equal names, that submit different values when clicked - HTML value Attribute

<button> Example.

index.html

Example: HTML

<!DOCTYPE html>
<html>
<body>

<h1>The button value attribute</h1>

<form action="/action_page.php" method="get">
Choose your favorite subject:
<button name="subject" type="submit" value="fav_HTML">HTML</button>
<button name="subject" type="submit" value="fav_CSS">CSS</button>
</form>

</body>
</html>

Output should be:

Type:	html
Category:	Web Tutorial
Sub Category:	HTML Attribute
Uploaded by:	Admin