<!DOCTYPE html> <html class="reftest-wait"> <head> <title> Test that dynamic tweaks to 'outline-offset' are reflected in the rendering. </title> <style> #tweakMe { height: 100px; width: 100px; background: gray; outline: solid 6px black; outline-offset: -10px; } </style> <script> window.addEventListener("MozReftestInvalidate", function() { tweakMe.style.outlineOffset = "-16px"; document.documentElement.removeAttribute("class"); }); </script> </head> <body> <div id="tweakMe"></div> </body> </html>