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---
title: Installing Other Tools
order: 200
layout: page
---
= Installing Other Tools
We recommend using a browser with either integrated or external development tools.
At least Mozilla Firefox and Google Chrome have an integrated web inspector, which supports inspecting the DOM structure of a web page, as well as CSS styles and debug JavaScript execution.
[[installing.other.firefox]]
== Firefox and Firebug
While Firefox has an integrated web inspector, the Firebug inspector has some additional features.
[[installing.other.firefox.firebug]]
=== Using Firebug with Vaadin
After installing Firefox, use it to open
link:http://www.getfirebug.com/[http://www.getfirebug.com/]. Follow the
instructions on the site to install the latest stable version of Firebug
available for the browser. You may need to allow Firefox to install the plugin
by clicking the yellow warning bar at the top of the browser window.
After Firebug is installed, it can be enabled at any time from the Firefox
toolbar. <<figure.firebug.calc>> shows Firebug in action.
[[figure.firebug.calc]]
.Firebug debugger for Firefox
image::img/firebug.png[width=100%, scaledwidth=100%]
The most important feature in Firebug is inspecting HTML elements. Right-click
on an element and select [guilabel]#Inspect Element with Firebug# to inspect it.
In addition to HTML tree, it also shows the CSS rules matching the element,
which you can use for building themes. You can even edit the CSS styles live, to
experiment with styling.
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