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.
自定义 UI 元素和主题多年来一直是 { -brand-name-firefox } 用户最喜欢的功能，而且我们热心的开发者社区已经建立了一个庞大的开源<a { $addons }>附加组件和扩展库</a>，支持更多的定制和功能。下载 { -brand-name-firefox }，同时得到强大的<a { $screenshot }>截屏工具</a>、无障碍功能以及内置的 <a { $pocket }>{ -brand-name-pocket }</a>——供您快速保存文章，随时随地阅读。