It seems you have changed fep-font-red css color to white which is same as background color. If messagebox is nearly full ( more than 90% full ) then fep-font-red is added to show red warning.
It seems you have changed fep-font-red css color to white which is same as background color. If messagebox is nearly full ( more than 90% full ) then fep-font-red is added to show red warning.