You can change the look of your 'My Art' and 'My Pets' pages by buying 'styles'.
Styles change the look of the menu, background image, text color and the 'paper' beneath it.
After buying a style, you can change to or from it as often as you want, but you cannot sell it.
To select a style, use the drop down menu on your 'My Pets' page (see below).
When you select a style, the page refreshes and you see the effect!
Review your styles with the 'Owned' button, look for cheap ones ones with 'Buy Basic' or for top quality click 'Buy Best'!