Property Reference - CSS Reference - page 209

Name
list-style-image
Values:
<uri> | none
Initial value:
none
Applies to:
Elements whose display value is list-item
Inherited:
Yes
Computed value:
For <uri> values, the absolute URI; otherwise, none
Description:
Specifies an image to be used as the marker on an ordered or unordered list item. The place-
ment of the image with respect to the content of the list item can be crudely controlled using
list-style-position .
Examples:
ul {list-style-image: url(bullet3.gif);}
ul li {list-style-image: url(http://example.org/pix/
checkmark.png);}