Set transparency for foot background

.config/foot/foot.ini

@@ -105,7 +105,7 @@ launch=xdg-open ${url}
 # long-press-delay=400
 
 [colors]
-# alpha=1.0
+alpha=0.9
 # alpha-mode=default # Can be `default`, `matching` or `all`
 # background=242424
 # foreground=ffffff