 How to adjustreduce hight of menu-bar using userChrome.css in Firefox 65? I-Firefox Isithangami Sokweseka Ukwesekwa kwe-MozillaImpendulo yokugcina yenziwe ngu Vule 8 izinyanga ezidlule21519 09:5021519 21:56Okulungisiwe Februwari 15, 2019 21:56:54 -0800 ngu cor-el22419 08:4622419 09:383319 11:19 