There was a time when I wanted the contact form of a website to be popped up in another window. I was able to pop up the window but it was not centered on the screen.
For me, it looks better when the window popup is at the center of your screen. So I found a way to do that. Today we're going to:
1. Create a file with a button and trigger the centered popup window (index.php)
2. Create a file that will serve as the popup window (contact_form.php)
That's it! :)