<!DOCTYPE html> <html class="reftest-wait"> <head> <style> input { color: purple; } :default { font-size: 3em; color: green; } </style> <script type="text/javascript"> function boom() { var toRemove = document.getElementById("toremove"); toRemove.parentNode.removeChild(toRemove); document.documentElement.className = ""; } window.addEventListener("MozReftestInvalidate", boom, false); </script> </head> <body> <form> <span id="toremove"> <input type="image"> <input type="image"> </span> <input type="image" name="bar" value="bar"> <input type="submit" name="foo" value="foo"> </form> </body> </html>