Pesticide

This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page.

"Pesticide" is a Firefox add-on aimed to assist in webpage inspection. It inserts Pesticide CSS into the current page, allowing each individual element to be outlined. This sharpens visibility of placement on the page resulting in a more effective understanding of page design. It requires no permissions, simply to be added to your browser to deliver its functionality. Review is optional but much appreciated.