You may set style and other parameters in module but also you may create one profile in back-end and use it, in many modules and/or components or even with plugin.

When you place Category Block into a module you have a fixed-size block which may have Scroll Bars (Horizontal, Vertical or Both) or it may float slowly from bottom to top like a news line, but vertical.

On this page you may see both examples, one with a scroll bar on top (with red border) and another with "Auto Flow" with green border.

You may adjast a lot of settings, see screen-shot below:

Or use profile:

One more example of Category Block usage: is not affiliated with or endorsed by the Joomla! Project or Open Source Matters.
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