When looking for the button to modify on the SeaMonkey add-on page, look for hidden buttons as well - the button in question seems to be concealed now
When looking for the button to modify on the SeaMonkey add-on page, look for hidden buttons as well - the button in question seems to be concealed now

lemon-juice/AMO-Browsing-for-SeaMonkey,lemon-juice/AMO-Browsing-for-SeaMonkey,lemon-juice/AMO-Browsing-for-SeaMonkey