I'm using this HTML code I copied from this forum to display a notification.
I know very little about HTML.
I have successfully changed colors and timeout but not the window.
I would like to change the size and location of the window being displayed.
When I change the numbers in the below line of code, nothing changes the position or size of the window.
In your code data-kmwindow="SCREEN(Front,Right)500,60,500,60" you're setting data-kmwindow to four coordinates -- left edge, top edge, width, height. The last three are good -- 60, 500, and 60 pixels respectively. But your first is SCREEN(Front,Right)500 which is "(get the coordinate of the right edge of the front screen)500" which fails to evaluate -- you can't join numbers together by bashing them together like that (unlike text!).
When that fails the whole statement aborts, so you don't set data-kmwindow.
My guess is that you want to "set the left edge of the window to be 500 pixels less than the right edge of the screen", hence SCREEN(Front,Right) - 500 for the first coordinate. If you want a different position you should be able to work from what you now have.