help determining which php files to edit when modifying theme

Does anyone know if this is still available?

Some time back there was a tool I had picked up that allowed you to select portions of a web page and see what CSS attributes controlled different parts of the page. I think you could also use it to gather similar information about the PHP elements of a page. This was a very helpful tool for newbies like myself. It really helped when using PHP based templates, such as those in Gallery, to know which file modified each part of your design.

I think it may have been a browser add-on or plug-in that was available with FireFox. When it was turned on, separate elements of the page you were looking at in your browser window could be selected and another part of the window provided information. That would help narrow down which parts of the CSS or PHP files you needed to modify to change each element.

Does anyone know if there is something like that available today? So far my search isn't turning anything up.

Thank you so much for your response. I will check it out.

Thank you : )

gallery2/themes/your theme/theme.css

or try my embed tools

-s
FlashYourWeb and Your Gallery with The E2 XML Media Player for Gallery2