> For the complete documentation index, see [llms.txt](https://xoops.gitbook.io/cssholmes-tutorial/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xoops.gitbook.io/cssholmes-tutorial/master.md).

# Introduction

![](https://3702995694-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MEEUyFKKnGGqiWnG5b1%2Fsync%2F6fc95786788599918c7c9e05c27f648e8152e2cd.jpg?generation=1596920911857967\&alt=media)

## Module cssHolmes

#### for XOOPS 2.5.10+

#### for PHP 7.2+

![](https://3702995694-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MEEUyFKKnGGqiWnG5b1%2Fsync%2F934f97b8e1d304f68e5d6d1edc9d670ee3779fad.png?generation=1596920912772645\&alt=media)

### User Manual

© 2020 XOOPS Project ([www.xoops.org](https://xoops.org))

### Module Purpose

This module is a "CSS Markup Detective", a stand-alone diagnostic CSS stylesheet that can highlight potentially invalid, inaccessible or erroneous HTML(5) markup by adding one class.

![](https://3702995694-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MEEUyFKKnGGqiWnG5b1%2Fsync%2Fbdd4e1287af4e7547b01262c8fab11af50d1895e.png?generation=1596920913884848\&alt=media) *Figure 1: Main view of the cssHolmes Module (Admin side)*

### Download/Fork the Module ![](https://xoops.org/images/forkit.png)

**You can fork the module -->** [**here**](https://github.com/XoopsModules25x/cssholmes)**)**

### How to Contribute

[You can contribute on GitHub](https://github.com/XoopsDocs/cssholmes-tutorial). Changes will be [pushed to Gitbook.io automatically](https://xoops.gitbook.io/cssholmes-tutorial/activity) when the [main repository](https://github.com/XoopsDocs/cssholmes-tutorial) changes.

Editing the book can be done either by updating the markdown files with a text editor, or opening the repository in [the Gitbook desktop app](https://github.com/GitbookIO/editor/blob/master/README.md). The desktop app will give you a live preview option.

## Table of Content

* [Install/Uninstall](/cssholmes-tutorial/1install.md)
* [Administration Menu](/cssholmes-tutorial/2administration.md)
* [Preferences](/cssholmes-tutorial/3preferences.md)
* [Operating Instructions](/cssholmes-tutorial/4operations.md)
* [The User Side](/cssholmes-tutorial/5userside.md)
* [Blocks](/cssholmes-tutorial/6blocks.md)
* [Templates](/cssholmes-tutorial/7templates.md)
* [Miscellaneous](/cssholmes-tutorial/8other.md) 
* [Module Credits](/cssholmes-tutorial/9credits.md)
* [About XOOPS CMS](/cssholmes-tutorial/10aboutxoops.md)

### License:

\
Unless specified, this content is licensed under a [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](http://creativecommons.org/licenses/by-nc-sa/4.0/).

All derivative works are to be attributed to XOOPS Project ([www.xoops.org](https://xoops.org))