On Yahoo messenger how do you save the changes when you change the font color, size and type?

I used to know how and I can't remember.On Yahoo messenger how do you save the changes when you change the font color, size and type?
In the tool bar of Yahoo Messenger, click on ';Messenger'; icon, you will get a list;

Click on ';Preferences';; you will get a new window;

Select ';Appearance';;

Click on ';Change Fonts %26amp; Colors...';;

Select the Font %26amp; color you like;

Click ';OK'; in fonts' window;

Click OK in ';Preferences';



You are all set.