Upload the archive in your new skin using "Import images and files" 

Add a css file name :
  ornicart.css


Change some images names :

   body background image : body-background-new.jpg

   portal background image : portal-background.gif

   header illustration name : header-illustration.gif

Change the 3 colors :

   leading color : #a91226
   light color  : #7472d8
   very light color : #faf6ac
   
   
