Webmaster in a Nutshell, 3rd Edition By Robert Eckstein, Stephen Spainhour
Table of Contents
Chapter 9. Cascading Style Sheets
list-style-type
list-style-type: disc
Defines a list item's marker for either unordered lists (circle, disc, or square) or ordered lists (the rest). Accepted values: circle, square, decimal, disc, lower-alpha, lower-roman, none, upper-alpha, upper-roman.