# Inspecting CSS [edit]

This page describes how to inspect CSS styles and layout using the Firebug extension for Firefox.

## Introduction

Use the CSS tab in Firebug to see all of the linked style sheets and content for the web page that you are currently viewing.

## Instructions

To view CSS information in Firebug:

1. In the lower right corner of Firefox, click the Firebug button to start Firebug.
2. Click the tab to view the CSS styles for the page.
3. To view a different style sheet, select another style sheet from the CSS menu (shown below).

## Related Topics

- About Firebug
- Installing the Firebug extension
- Inspecting HTML
- Monitoring XMLHttpRequests
- Editing a web page
- Writing to the Firebug console
- Setting breakpoints in Firebug
- Profiling code performance

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Category: AptanaHelp