How to Define an image as the submit button, with height and width attributes

Input Example.

index.html

Example: HTML

<form action="/action_page.php">
  <label for="fname">First name:</label>
  <input type="text" id="fname" name="fname"><br><br>
  <label for="lname">Last name:</label>
  <input type="text" id="lname" name="lname"><br><br>
  <input type="image" src="https://horje.com/avatar.png" alt="Submit" width="48" height="48">
</form>

Output should be:

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