fonts/ofl/firasans/DESCRIPTION.en_us.html

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Designed to integrate with the character of the Mozilla FirefoxOS, the Fira typefaces also aim to cover the legibility needs for a large range of handsets varying in screen quality and rendering.
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The Fira font family comes in a Sans Serif with 4 weights (Light, Regular, Medium and Bold) all accompanied by italic styles. 
The package also includes a <a href="http://www.google.com/fonts/specimen/Fira+Mono">Mono Spaced variant</a> with 3 weights (Regular, Medium, Bold.)
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This project is led by <a href="https://carrois.com">Carrois</a>, a type foundry based in Berlin. 
To contribute, see <a href="https://github.com/mozilla/Fira">github.com/mozilla/Fira</a>
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<b>Updated:</b> Feburary 2016, all existing styles updated to v4.106g with vertical metrics adjusted to the previous values.
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