Put this in ~/.config/alacritty
directory and restart Alacritty.
You might want to change the font configuration on your OS.
Create alacritty.font.yml
(you can use alacritty.font.yml.example
and edit the font name) and alacritty.user.yml
next to alacritty.yml
file.
User configuration is loaded at the end of alacritty.yml
.