Assegnate 5 su 5 stelle

FF 46.0.1 x64
Update: this bug is fixed in 0.4.7

Questa recensione riguarda una versione precedente (0.4.6) del componente aggiuntivo. 

Could you check to see if this also works for you as well, before I upload it.
https://choggi.org/misc/CuteButtonsCrystalSVG/CuteButtonsCrystalSVG-0.4.7.xpi