CSS 101: Styling the cursor
CSS allows you to control the appearance and layout of every aspect of a Web page — this includes everything from fonts to margins to the cursor. That’s right, beginning with CSS 2.1, you can easily control the cursor used when a user browses a Web page.
The standard CSS cursor is an arrow, and it usually meets the requirements of a page or site, but there are times when you may want to use another cursor. In these situations, the CSS standard provides numerous options.