Skins are located in %plesk_dir%admin\htdocs\skins (where %plesk_dir% is a system variable set by the Plesk installer which designates the Plesk installation directory)
Note: There should be no slash after %plesk_dir% because the path in this variable already has one.
The structure of a skin directory:
• custom_skin\ - a custom skin directory
• css\
• top\
• custom.css
• layout.css
• left\
• custom.css
• layout.css
• main\
• buttons.css
• custom.css
• desktop.css
• layout.css
• tabs.css
• wizard.css
• general.css
• ie.css
- all of the Plesk interface icons• icons\
- all image files, referenced in the CSS files• images\
- screenshots and thumbnails, referenced in a skin description file• screenshots\
- the file that stores a skin description• info.xml