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Theme Font & Size Changer for ThunderBird

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Rated 3 out of 5 stars (100)
148 users

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Works with Thunderbird 3.0b4 - 60.*
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Toolbar Buttons

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Rated 4 out of 5 stars (372)
291 users

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Works with Thunderbird 20.0 - 61.*
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Stylish-Custom Requires Restart

custom additions to Stylish extension

Rated 4 out of 5 stars (10)
4 users

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Works with Thunderbird 3.3a1pre - 56.0
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