Font choice is a user's choice. https://megous.com/dl/tmp/830725ae5a555c87.png https://megous.com/dl/tmp/830725ae5a555c87.png It's a normal user modifiable cho

Font choice is a user's choice. https://megous.com/dl/tmp/830725ae5a555c87.png https://megous.com/dl/tmp/830725ae5a555c87.png It's a normal user modifiable choice in the browser. You're just making your webapp much less usable for users who have made that choice. And for no reason, because SVG icons work just fine and are even more flexible. Font icons are basically a hack. They have terrible fallback behavior.