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Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. As of July 2010[update], Firefox was the second most widely used browser, with 22.91% of worldwide usage share of web browsers, according to Net Applications. Other sources put Firefox's usage share between 20% and 32%.

To display web pages, Firefox uses the Gecko layout engine, which implements most current web standards in addition to several features which are intended to anticipate likely additions to the standards

if you want save it, you can click the picture for original display then you can save as.