Unmung bookmarklet - copy-paste this into the 'location' field of a new bookmark in Firefox (it probably won't work in other browsers)

javascript:(function() { var elements=document.body.getElementsByTagName("*"); for (i in elements) { try { var style=window.getComputedStyle(elements[i],null); if (style.getPropertyValue("font-size") == "0px") elements[i].textContent=""; if (style.getPropertyValue("color") == "transparent") elements[i].textContent=""; if (style.getPropertyValue("width") == "0px") elements[i].textContent=""; } catch(e) {} } })();