CSS Library: DIVs and containers: Here
Arrow Comment Box
Author: Dynamic Drive
Using a simple "arrow" image, this CSS code transforms a regular DIV into a fancy box with sub text appearing beneath it. It's a nice interface to use for your blog's comment boxes, for example.
The arrow image is being used as a background image, meaning you can in fact easily control how much of it is shown just by altering the background image's horizontal and vertical positions:
This is some comment.
This is some comment.
This is some comment.
This is some comment.
This is some comment.
The single image used:
The CSS:

This is some comment.
This is some comment.