SeaMonkey Gray Modern ਮੁੜ ਤੋਂ ਚਾਲੂ ਕਰਨ ਦੀ ਲੋੜ ਹੈ

If anyone can try grabbing this theme and getting it to work, please do. I can't get it to go active after the last round of Seamonkey updates. I've tried the chrome.manifest and install.rdf changes, to no avail.