Developer reply by alfredkayser
Rated 5 out of 5 stars
Leider nicht mehr mit 60.3.1 (64 BIT) kompatibel. Schade, es war so schön! Bitte, bitte nachbessern. Tausende Benutzer werden für die mühevolle Arbeit danken! Viele Grüße nach NL!
Translation Google:
Unfortunately not compatible with 60.3.1 (64 BIT) anymore. A pity, it was so nice! Please, please rectify. Thousands of users will thank for the hard work! Greetings to NL!
I am working on it, but it is a lot of work. Mozilla has dropped a number of key styling features (such as -moz-border-colors) which forces me to to redo a lot of the styling.
Hope to have something soon!
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