Customization of UI elements and themes have been a favorite feature of { -brand-name-firefox } users for years and our avid community of developers have created a <a { $addons }>vast library</a> of open source add-ons and extensions allowing for even more personalization and functionality. Features that come with { -brand-name-firefox } when you download include our powerful <a { $screenshot }>screenshots tool</a>, accessibility features and integration with <a { $pocket }>{ -brand-name-pocket }</a> — a resource that lets users quickly save an article for later reading on any device.

一直以來，介面元素的高可自訂性與佈景主題都是 { -brand-name-firefox } 使用者的最愛，而我們活躍的開發者社群也建立了<a { $addons }>大量的</a>開放原始碼附加元件與擴充套件，可以在瀏覽器中微調或加入更多功能。隨 { -brand-name-firefox } 內建的功能，包含威力強大的 <a { $screenshot }>畫面擷圖工具</a>、易用性功能，還整合了 <a { $pocket }>{ -brand-name-pocket }</a> — 一套讓使用者能快速儲存文章，之後再於任何裝置上閱讀的工具。